Uni1 One first half review

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

What is the mass number?

• the number of protons in the nucleus

• the number of protons and neutrons in the nucleus

• the number of neutrons in the nucleus

• the number of protons and electrons in the atom

The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.

• 9
• 10
• 19
• 28

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

• 11
• 5
• 6
• 16

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

How many protons does indium have?

• 49

• 66

• 114

• 115

What is the atomic mass of barium

• 56

• 82

• 137

• 138

How many neutrons does platinum have?

• 78

• 117

• 195

• 196

Identify #2

• proton

• neutron

• electron

• nucleus