Electron Arrangement in atoms practice exercise 3

Study the atom diagram below. (a) How many electrons are in each shell? (1 mark)(b) Identify the element. (1 mark)(c) If it has 7 neutrons, calculate its mass number. (1 mark)(d) Explain how this element is useful in agriculture. (1 mark)

Study the atom diagram below. (a) How many electrons are in each shell? (1 mark)(b) Identify the element. (1 mark)(c) If it has 7 neutrons, calculate its mass number. (1 mark)(d) Explain how this element is useful in agriculture. (1 mark)

Study the atom diagram below. (a) How many electrons are in each shell? (1 mark)(b) Identify the element. (1 mark)(c) If it has 7 neutrons, calculate its mass number. (1 mark)(d) Explain how this element is useful in agriculture. (1 mark)

During science week, students at Makini School are asked to determine the electron arrangement of elements used in balloons. Helium has 2 protons and 2 neutrons.(a) State the electron arrangement of Helium. (1 mark)(b) Determine its mass number. (1 mark)(c) Explain why Helium is used in balloons. (1 mark)

During science week, students at Makini School are asked to determine the electron arrangement of elements used in balloons. Helium has 2 protons and 2 neutrons.(a) State the electron arrangement of Helium. (1 mark)(b) Determine its mass number. (1 mark)(c) Explain why Helium is used in balloons. (1 mark)

A science fair project in Eldoret investigates Sulphur, which has 16 protons and 16 neutrons.(a) State the electron arrangement of Sulphur. (1 mark)(b) Draw a dot and cross diagram. (1 mark)(c) Why is it important to know the electron arrangement of Sulphur in such a project? (1 mark)

A science fair project in Eldoret investigates Sulphur, which has 16 protons and 16 neutrons.(a) State the electron arrangement of Sulphur. (1 mark)(b) Draw a dot and cross diagram. (1 mark)(c) Why is it important to know the electron arrangement of Sulphur in such a project? (1 mark)

A science fair project in Eldoret investigates Sulphur, which has 16 protons and 16 neutrons.(a) State the electron arrangement of Sulphur. (1 mark)(b) Draw a dot or cross diagram. (1 mark)(c) Why is it important to know the electron arrangement of Sulphur in such a project? (1 mark)

Maua Hospital uses Oxygen (O) gas in patient ventilators. Oxygen has 8 protons and 8 neutrons.(a) What is the electron arrangement of Oxygen? (1 mark)(b) Draw a dot  diagram for Oxygen. (1 mark)(c) Determine its mass number. (1 mark)(d) Why is Oxygen important for hospital use? (1 mark)

Maua Hospital uses Oxygen (O) gas in patient ventilators. Oxygen has 8 protons and 8 neutrons.(a) What is the electron arrangement of Oxygen? (1 mark)(b) Draw a dot  diagram for Oxygen. (1 mark)(c) Determine its mass number. (1 mark)(d) Why is Oxygen important for hospital use? (1 mark)

Maua Hospital uses Oxygen (O) gas in patient ventilators. Oxygen has 8 protons and 8 neutrons.(a) What is the electron arrangement of Oxygen? (1 mark)(b) Draw a dot  diagram for Oxygen. (1 mark)(c) Determine its mass number. (1 mark)(d) Why is Oxygen important for hospital use? (1 mark)

Look at the diagram below of an atom. (a) What is the electron arrangement of this atom? (1 mark)(b) Identify the element. (1 mark)(c) If the atom has 20 neutrons, determine the mass number. (1 mark)(d) State one real-life use of this element. (1 mark)

Look at the diagram below of an atom. (a) What is the electron arrangement of this atom? (1 mark)(b) Identify the element. (1 mark)(c) If the atom has 20 neutrons, determine the mass number. (1 mark)(d) State one real-life use of this element. (1 mark)

A laboratory stores materials in Argon gas. The Argon atom has 18 protons and 22 neutrons.(a) What is the electron arrangement of Argon? (1 mark)(b) Calculate its mass number. (1 mark)(c) Why is Argon chosen for storage based on its electron arrangement? (1 mark)

A laboratory stores materials in Argon gas. The Argon atom has 18 protons and 22 neutrons.(a) What is the electron arrangement of Argon? (1 mark)(b) Calculate its mass number. (1 mark)(c) Why is Argon chosen for storage based on its electron arrangement? (1 mark)

A laboratory stores materials in Argon gas. The Argon atom has 18 protons and 22 neutrons.(a) What is the electron arrangement of Argon? (1 mark)(b) Calculate its mass number. (1 mark)(c) Why is Argon chosen for storage based on its electron arrangement? (1 mark)

In a school project, learners work with Calcium, which has 20 protons and 20 neutrons.(a) What is the electron arrangement of Calcium? (1 mark)(b) Draw a dot  diagram. (1 mark)(c) Calculate its mass number. (1 mark)(d) Why is knowing Calcium’s electron arrangement important in science learning? (1 mark)

In a school project, learners work with Calcium, which has 20 protons and 20 neutrons.(a) What is the electron arrangement of Calcium? (1 mark)(b) Draw a dot  diagram. (1 mark)(c) Calculate its mass number. (1 mark)(d) Why is knowing Calcium’s electron arrangement important in science learning? (1 mark)

In a school project, learners work with Calcium, which has 20 protons and 20 neutrons.(a) What is the electron arrangement of Calcium? (1 mark)(b) Draw a dot diagram to show its electron configuration. (1 mark)(c) Calculate its mass number. (1 mark)(d) Why is knowing Calcium’s electron arrangement important in science learning? (1 mark)

A factory in Thika uses Magnesium (Mg) for producing bright flares. Magnesium has 12 protons and 12 neutrons.(a) Write its electron arrangement. (1 mark)(b) Draw a cross diagram. (1mark)(c) Calculate the mass number. (1 mark)

A factory in Thika uses Magnesium (Mg) for producing bright flares. Magnesium has 12 protons and 12 neutrons.(a) Write its electron arrangement. (1 mark)(b) Draw a cross diagram. (1mark)(c) Calculate the mass number. (1 mark)

A factory in Thika uses Magnesium (Mg) for producing bright flares. Magnesium has 12 protons and 12 neutrons.(a) Write its electron arrangement. (1 mark)(b) Draw a cross diagram. (1 mark)(c) Calculate the mass number. (1 mark)

A group of learners in Kisumu are investigating the structure of Potassium (K) during a science club activity. Potassium has 19 protons and 20 neutrons.(a) Write the electron arrangement of Potassium. (1 mark)(b) Draw a  cross diagram for the atom. (1 mark)(d) Explain why knowing Potassium’s electron arrangement is important in understanding how it behaves in reactions. (1 mark)

A group of learners in Kisumu are investigating the structure of Potassium (K) during a science club activity. Potassium has 19 protons and 20 neutrons.(a) Write the electron arrangement of Potassium. (1 mark)(b) Draw a  cross diagram for the atom. (1 mark)(d) Explain why knowing Potassium’s electron arrangement is important in understanding how it behaves in reactions. (1 mark)

A group of learners in Kisumu are investigating the structure of Potassium (K) during a science club activity. Potassium has 19 protons and 20 neutrons.(a) Write the electron arrangement of Potassium. (1 mark)(b) Draw a  cross diagram for the atom. (1 mark)(d) Explain why knowing Potassium’s electron arrangement is important in understanding how it behaves in reactions. (1 mark)

Study the diagram below showing an atom used in foil packaging. (a) Write the electron arrangement. (1 mark)(b) Identify the element. (1 mark)(c) Why is this electron arrangement important for making materials? (1 mark)

Study the diagram below showing an atom used in foil packaging. (a) Write the electron arrangement. (1 mark)(b) Identify the element. (1 mark)(c) Why is this electron arrangement important for making materials? (1 mark)

Study the diagram below showing an atom used in foil packaging. (a) Write the electron arrangement. (1 mark)(b) Identify the element. (1 mark)(c) Why is this electron arrangement important for making materials? (1 mark)

Study the diagram below showing an atom used in foil packaging. (a) Write the electron arrangement. (1 mark)(b) Identify the element. (1 mark)(c) Why is this electron arrangement important for making materials? (1 mark)