Which statement about matter is true?
A.) Matter is a compound
B.) Matter is an element
C.) Matter is anything that is made of organic substances and is found in Earth
D.) Matter is anything that is made of atoms and that has mass
Which statement best describes electrons?
A.) Electrons are composed of protons and neutrons
B.) Electrons have a positive charge
C.) Electrons orbit around the nucleus
D.) Electrons reside in the nucleus
Which allows two or more atoms to be held together?
A.) Shared neutrons
B.) Shared protons
C.) Shared electrons
D.) Shared energy
