Chemistry Mock Revision H.W

What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20
• 10
• 5
• 25

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

The particles of the atom you can find by knowing the atomic number.

• neutrons
• protons and electrons
• protons and neutrons
• atomic mass

What is the atomic mass of the atom pictured? 

• 9
• 10
• 18
• 19

What is the atomic number of the atom pictured? 

• 9
• 10
• 18
• 19

Elements in the periodic table are arranged in order by their ...

• atomic number
• atomic mass (mass number)
• metal, nonmetal, or metalloid properties

Which of the following is TRUE about an isotope?

• same number of protons and neutrons

• same number of protons but different number of neutrons

• same atomic mass but different atomic number

• neutron and electron numbers are the same

A covalent bond is:

• A shared electron

• A strong electrostatic force of attraction between ions

• A strong electrostatic force of attraction between atoms

• A shared pair of electrons

What type of bonding occurs between chlorine and fluorine molecules?

• Ionic
• Metallic
• Weak intermolecular force
• Covalent
• Atomic