Structure of the atom practice exercise 2

Question 1

During a Grade 8 science practical at a school in Nakuru, a learner identifies an atom with exactly 15 protons in its nucleus. Which element (within the first 20) is this?

Question 2

During a Grade 8 science practical at a school in Nakuru, a learner identifies an atom with exactly 15 protons in its nucleus. Which element (within the first 20) is this? (1 mark)

Question 3

During a Grade 8 science practical at a school in Nakuru, a learner identifies an atom with exactly 15 protons in its nucleus. Which element (within the first 20) is this? (1 mark)

Question 4

How many protons are found in a nitrogen atom?

Question 5

How many protons are found in a nitrogen atom? (1 mark)

Question 6

How many protons are found in a nitrogen atom? (1 mark)

Question 7

Study the sketch of a neutral atom used in a Mombasa classroom: • • • • • ( outer shell hints ) ____________ / \ | 10p,10n | ← nucleus (label shows protons only for identity) \____________/ • • ( inner shell electrons ) Which element from the first 20 is correctly identified by the nucleus label showing 10 protons?

Question 8

The diagram below shows a neutral atom used in a Mombasa classroom. Which element from the first 20 is correctly identified by the nucleus label showing 10 protons? (1 mark)

Question 9

The diagram below shows a neutral atom used in a Mombasa classroom. Which element from the first 20 is correctly identified by the nucleus label showing 10 protons? (1 mark)

Question 10

The diagram below shows a neutral atom used in a Mombasa classroom. Which element from the first 20 is correctly identified by the nucleus label showing 10 protons? (1 mark)

Question 11

This is the structure of a basic atom:Nucleus: 1 ProtonShell: 1 ElectronWhich element does this describe?

Question 12

This is the structure of a basic atom: Nucleus: 1 Proton, Shell: 1 Electron. Which element does this describe? (1 mark)

Question 13

The diagram below shows the structure of a basic atom. Which element does this describe? (1 mark)

Question 14

The diagram below shows the structure of a basic atom. Which element does this describe? (1 mark)

Question 15

Consider the simplified atomic diagram sketched by a learner in Kisumu: • e⁻ ( first shell ) ________ / \ | 2p,2n | ← nucleus \________/ • e⁻ The diagram shows a nucleus with 2 protons and two electrons in the shell. Which element (from the first 20) is this?

Question 16

The diagram shows a nucleus with 2 protons and two electrons in the shell. Which element (from the first 20) is this? (1 mark)

Question 17

The diagram shows a nucleus with 2 protons and two electrons in the shell. Which element (from the first 20) is this? (1 mark)

Question 18

Below is a description of an atom:Nucleus contains 11 protonsShells contain 11 electronsWhich element is this?

Question 19

The image below is a description of an atom. Which element is this? (1 mark)

Question 20

The image below is a description of an atom. Which element is this? (1 mark)

Question 21

The table below was drawn by a learner at a Nairobi school to summarise some neutral atoms from the first 20 elements. RowProtonsElectrons A1212 B1717 C1010 D1313 Which row represents a neutral atom that is a halogen within the first 20 elements?

Question 22

The table below was drawn by a learner at a Nairobi school to summarise some neutral atoms from the first 20 elements. Which row represents Chlorine? (1 mark) Row Protons Electrons A 12 12 B 17 17 C 10 10 D 13 13

Question 23

The table below was drawn by a learner at a Nairobi school to summarise some neutral atoms from the first 20 elements. Which row represents Chlorine? (1 mark) Row Protons Electrons A 12 12 B 17 17 C 10 10 D 13 13

Question 24

What makes an atom electrically neutral?

Question 25

What makes an atom electrically neutral? (1 mark)

Question 26

What makes an atom electrically neutral? (1 mark)

Question 27

What makes an atom electrically neutral? (1 mark)

Question 28

What makes an atom electrically neutral? (1 mark)

Question 29

Which of the following elements has 20 protons?

Question 30

Which of the following elements has 20 protons? (1 mark)

Question 31

Which of the following elements has 20 protons? (1 mark)

Question 32

Which statement correctly matches each sub-atomic particle with its charge and typical location in an atom?

Question 33

Which statement correctly matches each sub-atomic particle with its charge and typical location in an atom? (1 mark)

Question 34

Which statement correctly matches each sub-atomic particle with its charge and typical location in an atom? (1 mark)

Quiz Questions (34 questions)