Atomic Structure Ions Isotopes

How many protons are in this element?

• 79

• 196

• 117

• Cannot be determined

Tags

NGSS.MS-PS1-1

The Modern Periodic Table of Elements is arranged by

• atomic mass

• atomic number

• valence electrons

• number of isotopes

Which of the labeled structures is an electron?

• a

• b

• c

Tags

NGSS.MS-PS1-1

Subatomic particle with a mass of 1 and a positive charge

Subatomic particle with a mass of 0 and a negative charge

In the periodic table of the elements, the ______ number gives you the number of protons in the nucleus of the atom.

In the periodic table of the elements, the _______ number gives you the total number of sub-atomic particles in the nucleus of the atom.

the name of forms of an element that have the same number of protons but a different number of neutrons

How many protons does Nitrogen have?

• 7

• 8

• 14

• 14.01

Which of the labeled structures is a neutron?

• a

• b

• c

Tags

NGSS.MS-PS1-1