The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

An element is made up of only one kind of _____.

• isotope
• plastic
• atom
• metal

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

The atomic mass is equal to which two items added together?

• Protons

• Neutrons

• Electrons

• Atom

• Electron Shells

Look at the information on the element box below to answer the following questions.

Atomic Number:___

Tags

NGSS.MS-PS1-1

Look at the information on the element box below to answer the following questions.

Atomic Mass:_____

Tags

NGSS.MS-PS1-1

Which four elements make up MOST of the human body?

• oxygen, carbon, hydrogen, nitrogen

• carbon, sodium, hydrogen, oxygen

• silicon, calcium, oxygen, aluminum

• sulfur, phosphorus, calcium, nitrogen

Elements can be made of a single _____

• subatomic particle

• particle

• atom

• molecule

When more than one atom is attached it is called a ______.

Tags

NGSS.MS-PS1-1