Isotopes & Subatomic Particles

What do these isotopes have in common?

• the number of protons in the nucleus

• the number of electrons in the nucleus

• the number of protons and neutrons in the nucleus

Tags

NGSS.MS-PS1-1

The top number on this isotope is called the

• atomic number

• mass number

• isotope identity

Tags

NGSS.MS-PS1-1

The bottom number of this isotope is called the

• atomic number

• mass number

• isotopic denominator

Tags

NGSS.MS-PS1-1

if this Lithium metal becomes an ion, will it become positive, negative, or neutral?

• ( + ) positive

• ( - ) negative

• 0 zero

How many protons does this isotope have?

• 7

• 3

• 10

• 4

Tags

NGSS.MS-PS1-1

How many electrons does this isotope have?

• 7

• 3

• 4

• 10

Tags

NGSS.HS-PS1-1

how many neutrons does this isotope have?

• 7

• 3

• 4

• 10

Tags

NGSS.MS-PS1-1

The 1- indicates that chlorine

• gained an electron

• will gain an electron

• will lose an electron

how many neutrons does this isotope have?

• 53

• 19

• 17

• 18

how many protons does this isotope have?

• 18

• 17

• 16

• 35