Q1 Chem Review

In the atom diagram shown, E is pointing to

• An electron
• a proton
• a neutron
• the nucleus

Tags

NGSS.MS-PS1-1

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.HS-PS1-1

B and C are found in the ______ of an atom.

• Electron cloud

• Space
• Nucleus
• Outside

Tags

NGSS.MS-PS1-1

12 protons and 13 neutrons

• Magnesium-12

• Magnesium-13

• Magnesium-25

• Magnesium-24.305

Tags

NGSS.MS-PS1-1

What charge does an electron have?

• Negative
• Positive
• Neutral
• Contrated

Tags

NGSS.HS-PS2-5

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.HS-PS1-8

What is the atomic number of this atom?

• 4
• 5
• 9
• none of the above

Tags

NGSS.HS-PS1-1

What is a valence electron?

• an electron that is found in the outermost orbital of an atom. 
• an electron found in the innermost orbital of an atom.
• an electron found in the middle orbital.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a particle with one positive charge called?

• proton

• electron

• neutron

• quark

Isotopes of an element have a different number of...

• Protons

• Neutrons

• Electrons

• Mass

Tags

NGSS.HS-PS1-8