Chemistry review

Which subatomic particles are in the nucleus? Check all that apply.

• Electrons

• Neutrons

• Protons

• None of the above

Where are electrons located in an atom?

• Outside the nucleus

• Inside the nucleus

• Electrons don't exist in atoms

Tags

NGSS.MS-PS1-1

What type of charge does a proton have?

• Positive

• Negative

• No charge

What type of charge does an electron have?

• Positive

• Negative

• No Charge

Tags

NGSS.HS-PS2-4

What type of charge does a neutron have?

• Positive

• Negative

• No charge

Is water a compound or element?

• Element

• Compound

Tags

NGSS.MS-PS1-1

Which of the following describes water?

• 2 Hydrogen Atoms and 2 Oxygen Atoms

• 2 Hydrogen Atoms and 1 Oxygen

• 1 Hydrogen Atom and 2 Oxygen Atoms

• 1 Hydrogen Atom and 1 Oxygen Atom

Tags

NGSS.MS-PS1-1

What does the atomic number tell you?

• The number of protons in the nucleus

• The element's place on the periodic table

• Both answers are correct.

• Neither answer is correct.

What family in the periodic table is the most reactive?

• Alkali Metals (Group 1)

• Alkaline Earth Metals (Group 2)

• Halogens (Group 17)

• Noble Gases (Group 18)

Which family on the periodic table is the least reactive?

• Alkali Metals (Group 1)

• Alkaline Earth Metals (Group 2)

• Halogens (Group 17)

• Noble Gases (Group 18)