AKS 1a - Atoms, Ions and Isotopes

AKS 1a - Atoms, Ions and Isotopes

Multiple Choice

If an atom is neutral, then protons must equal?

• neutrons

• electrons

• neutrons and electrons

• none of these

Fill in the Blank

Protons are always

Fill in the Blank

electrons are always

Fill in the Blank

Two neutrons walk into a bar and order two cokes. They ask how much... The bartender replies: " For you two...."

Multiple Choice

A positive ion is called a(n)

• anion

• ion

• cation

• atom

Multiple Choice

A positive ion is created when :

• an atom gains an electron

• an atom loses an electron

• an atom loses a neutron

• an atom gains a neutron

Multiple Choice

using your periodic table, what is the atomic number for Helium?

• 1

• 2

• 3

• 4

Multiple Choice

Using your periodic table, what is the atomic mass for Helium?

• 1 amu

• 2 amu

• 3 amu

• 4 amu

Multiple Choice

What is Neon's atomic number?

• 9

• 10

• 11

• 12

Multiple Choice

What is the atomic mass and atomic number for Sodium? ( Na)

• 23,11

• 11,23

• 10,22

• 11,25