Basic Chemistry Quiz

Which particle is positively charged?

• Neutron

• Electron

• Proton

• Nucleus

Where are electrons located in an atom?

• Inside the nucleus

• In shells around the nucleus

• In protons

• Between atoms

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the charge of a neutron?

• Positive

• Negative

• No charge

• Both positive and negative

What is true about the number of protons and electrons in a neutral atom?

• Protons = Neutrons

• Protons = Electrons

• Neutrons = Electrons

• None are equal

What are subatomic particles?

• Atoms that are very small

• The smallest unit of elements

• Particles that make up atoms

• Protons only

Tags

NGSS.HS-PS1-8

The atomic number of carbon is 6. What does this number represent?

• Neutrons

• Mass number

• Protons

• Electrons only

If carbon has a mass number of 12, how many neutrons does it have?

• 6

• 12

• 18

• 0

Tags

NGSS.HS-PS1-8

How do you calculate the number of neutrons?

• Protons – Electrons

• Atomic number + Electrons

• Mass number – Atomic number

• Atomic number + Mass number

Isotopes are atoms of the same element that have:

• The same number of neutrons

• Different numbers of neutrons

• Different numbers of protons

• The same mass number

Tags

NGSS.HS-PS1-8

Which of the following is true about isotopes?

• They have different atomic numbers

• They are completely different elements

• They have the same number of protons

• They have different numbers of electrons