Chemistry Diagnostic Test Grade 11D

Choose the particle that has no charge.

• nucleus

• neutron

• proton

• electron

An electron has a _____ charge.

• negative
• positive
• neutral

Tags

NGSS.HS-PS2-4

What is the atomic number of the atom pictured? 

• 11
• 12
• 22
• 23

Tags

NGSS.MS-PS1-1

How many electrons are in the atom pictured? 

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

An electron has a _____ charge.

• negative
• positive
• neutral

Tags

NGSS.MS-PS2-3

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

Tags

NGSS.MS-PS1-1

Oxygen atom has total of 8 protons.

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶

• 1s²2s²2p⁴

• 1s²2s²2p⁶3s²3p⁶4s²3d¹

• 1s²2s²2p⁶3s²

Tags

NGSS.HS-PS1-1

The electron configuration of an atom is 1s²2s²2p⁶. The number of electrons in the atom is;

• 3

• 6

• 10

• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The atomic number of an element tells you

• how many protons and neutrons it has
• how many protons and electrons it has
• its place on the periodic table
• the mass of the nucleus

The chemical formula for sulfuric acid is H₂SO₄ 
How many atoms are present?

• 3
• 6
• 7
• 10

Tags

NGSS.MS-PS1-1