2023 1st Semester Review #2 (Sizemore)

Which statement below accurately describes this atom?

• Cation with a positive charge

• Cation with a negative charge

• Anion with a positive charge

• Anion with a negative charge

Tags

NGSS.MS-PS1-1

What is the charge of this atom?

• 0

• +1

• -2

• +3

Tags

NGSS.HS-PS1-1

What is the CHARGE of this element? (math)

• 0

• +1

• -2

• +3

Tags

NGSS.MS-PS1-1

What element is this ?

• Neon (Ne)

• Oxygen (O)

• Nitrogen (N)

• Calcium (Ca)

Tags

NGSS.MS-PS1-1

What element is this?

• Helium

• Boron

• Lithium

• Hydrogen

Tags

NGSS.MS-PS1-1

How many energy levels does He have? Just give me the number.

(a)  

How many energy levels does O have? Just give me the number.

(a)  

How many energy levels does Au have? Just give me the number.

(a)  

The period number tells you the number of

• protons

• energy levels

• valence electrons

Which group has the greatest number of valence electrons?

• 1
• 14
• 18
• 16

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2