UNIT TEST

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

The smallest particle into which an element can be divided and still be the same element is a(n)

• proton

• neutron

• electron

• atom

Tags

NGSS.MS-PS1-1

Which subatomic particle has a neutral (0) charge?

• proton

• nuetron

• electron

• atom

Tags

NGSS.MS-PS1-1

Choose the correct number of valence electrons for Barium

• 1

• 2

• 3

• 4

What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

Tags

NGSS.MS-PS1-1

Why are ions formed?

• To make our lives difficult
• Because atoms want 8 valence electrons
• Because atoms have the same number of protons and electrons
• Because atoms gained neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.HS-PS1-1

What element is this model showing?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.MS-PS1-1

What does an atom's period tell us?

• Number of protons
• Number of electrons
• Number of valence electrons
• Number of shells