Year 9 Chemistry Quiz 1

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Where are metals located on the periodic table?

• Blue
• Green
• Red

Where are the nonmetals located on the periodic table? 

• Blue
• Red
• Green

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

What is the mass number of this atom?

• 4
• 5
• 9
• none of the above

What is the atomic number of this atom?

• 9
• 10
• 19
• 27

Most of the mass in an atom is made up of _____________________?

• protons and electrons
• protons and neutrons
• neutrons and electrons
• electrons and quarks

What is the atomic number of Nickel?

• 110
• 28
• 46
• 78

Atoms of the same element which have a different number of neutrons are called _________________.

• ions
• isotopes
• quarks
• molecules

Which subatomic particle has a negative charge in the atom?

• proton
• neutron
• electron
• quark