Quiz - 3.3 Proton

A nucleus with four protons has a total positive charge of _____.

• 2

• 4

• 6

• 8

Protons are attracted to positive objects and repelled from negative objects.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Protons are found only in the atomic nucleus.

• True

• False

Each element has a unique number of ________.

• neutrons

• electrons

• atoms

• protons

Tags

NGSS.MS-PS1-1

Protons carry a _____ charge.

• negative

• positive

• neutral

Since carbon is a different element than iron, the protons that belong to carbon atoms are different than the protons that belong to iron atoms.

• True

• False

Tags

NGSS.MS-PS1-1

_____, which are neutrally charged, are found in the nucleus of the atom.

• Neutrons

• Protons

• Electrons

• Photons

Tags

NGSS.MS-PS1-1

Which of the following is/are true for protons?

• Protons have a positive charge

• Protons are much larger and heavier than electrons

• The number of protons for a given atom never changes

• All of these

Atoms of different ______ can be distinguished from each other by the number of protons (atomic number) in their nucleus.

• molecules

• elements

• compounds

• particles

Write the mass of a proton in terms of scientific notation.

• 1.33×10−21𝑘𝑔

• 1.67×10−27𝑘𝑔

• 9.1×10−31𝑘𝑔

• All of these