Isotopes & Radioactivity

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.MS-PS1-1

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

In a correctly written symbol what would be located in the "A" position?

• number of neutrons
• atomic number
• number of electrons 
• mass number

Tags

NGSS.MS-PS1-1

The atomic number on the periodic table tells you the number of...

• protons

• neutrons

• electrons

• quarks

What is found in the nucleus of an atom?

• protons and electrons

• protons and neutrons

• neutrons and protons

• electrons and neutrons

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

• molecules

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• quark

Which subatomic particle is neutral or has no charge?

• proton

• neutron

• electron

• molecule

Isotopes are atoms of the same element but can have different numbers of ____________.

• protons

• neutrons

• electrons

• quarks

Tags

NGSS.HS-PS1-8

Look at the nuclear symbol. Which statement is correct?

• There are 3 protons.

• There are 7 protons.

• This element is light.

• This element has 7 neutrons.

Tags

NGSS.MS-PS1-1