03 Atomic Structure

Which information is correct for a proton?

• position in the atom : inside nucleus

  relative charge : +1

• position in the atom : inside nucleus

  relative charge : -1

• position in the atom : outside nucleus

  relative charge : +1

• position in the atom : outside nucleus

  relative charge : -1

Which properties of an electron are correct?

• relative charge : -1

  relative mass : 1

• relative charge : 0

  relative mass : 1

What does the nucleus of an atom contain?

• electrons, neutrons and protons

• electrons and neutrons only

• neutrons and protons only

• protons only

Which particles make up the nucleus of an atom?

• electrons, neutrons and protons

• electrons and neutrons only

• neutrons and protons only

• protons only

The nucleus of an atom has neutrons and protons.

Electrons are in different shells around the nucleus.

Which statement is correct?

• Electrons and protons have the same relative mass.

• The nucleus contains most of the mass of the atom.

• The nucleus and electrons repel each other.

• The nucleus has a negative charge.

What are the relative charges of the particles in an atom?

• electron : +1

  neutron : -1

  proton : 0

• electron : +1

  neutron : 0

  proton : -1

• electron : 0

  neutron : -1

  proton : +1

• electron : -1

  neutron : 0

  proton : +1

Which letter in the table represents a value of -1?

• A

• B

• C

• D

The diagram below shows the structure of an atom of an element.

What is the nucleon number of this element and to which Group does it belong?

• nucleon number : 13

  group : 3

• nucleon number : 14

  group : 15

• nucleon number : 27

  group : 3

• nucleon number : 27

  group : 15

• 21

• 24

• 45

• 66

• 9

• 10

• 19

• 28