Protons

True or false: If the number of protons changes in an atom, it becomes a different element.

• True

• False

An element has an atomic number of 2. How many protons do the atoms contain?

Sodium has an atomic number of 11. How many protons does each sodium atom have?

• 33

• 22

• 11

• 0

Argon has an atomic number of 18. How many protons does each Argon atom have?

Which of these statements is INCORRECT?

• The number of protons determines the atomic number.

• The atomic number and number of protons are the same.

• An atomic number of 5 means there are 5 protons.

• The number of neutrons is always the same as the number of protons.

How many protons are in Beryllium?

• 4

• 9

• 5

• 2

Tags

NGSS.MS-PS1-1

Carbon has how many protons?

• 12

• 6

• 7

• 4

Which description about the proton is accurate?

• Positively charged particle with a mass less than 0 amu

• A neutrally charged particle with a mass less than 0 amu

• Positively charged particle with a mass of 1 amu

• A neutrally charge particle with a mass of 1 amu

Tags

NGSS.MS-PS1-1

Which two particles make up the nucleus of an atom?

• Protons and Electrons

• Protons and Neutrons

• Molecules and Compounds

• Neutrons and Electrons

The following element key shows how many protons?

• 16

• 15.999

• Oxygen

• 8

Tags

NGSS.MS-PS1-1