3.7c

What is water (H₂0)?

• element

• compound

• mixture

• atoms

Tags

NGSS.MS-PS1-1

Elements which are shiny, conduct electricity and heat are called

• metal

• nonmetal

• metalloid

• nonexistent

Which group of the periodic table is composed of inert (not reactive) gases with a full outer shell of electrons?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

Which of the following is Brass - a mixture of copper and zinc?

• element

• compound

• molecules

• alloy

Tags

NGSS.MS-PS1-1

What does this picture represent?

• A mixture of atoms

• A mixture of molecules

• Molecules of one element

• Molecules of one compound

Tags

NGSS.MS-PS1-1

What does this picture represent?

• A mixture of atoms

• A mixture of molecules of elements

• Molecules of one element

• Molecules of one compound

Tags

NGSS.MS-PS1-1

What does this picture represent?

• A mixture of molecules of two compounds

• A mixture of molecules of two elements

• Molecules of one element

• Molecules of one compound

Tags

NGSS.MS-PS1-1

All matter is made of...

• energy

• atoms

• electrons

• compounds

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 

• positrons 

• neutrons 

• protons 

A particle that moves around the nucleus is a(n)...

• Proton

• Neutron

• Electron

• Quark