Biology Ch. 2

The study of substances and the rules that govern their behavior is the definition of what?

• Biology

• Chemistry

• Physics

• Geography

Which state of matter has the most energy in it?

• Solid

• Liquid

• Gas

The state that matter is in is determined by the

• Amount of energy in it

• Amount of Molecules in it

• Amount of Atoms in it

• Amount of water in it

The smallest unit of an element is what?

• Molecule

• Atom

• Compound

• Quark

Something that is made of just one kind of atom is called what?

• Ion

• Isotope

• Element

• Compound

What part of an atom determines what element it is?

• Proton

• Neutron

• Electron

• Cybertron

What part of an atom is positively charged?

• Proton

• Neutron

• Electron

• Cybertron

What part of an atom is negitively charged?

• Proton

• Neutron

• Electron

• Megatron

What part of an atom has a neutral charge?

• Proton

• Neutron

• Electron

• Megatron

Which of these is Ca the symbol for?

• Carbon

• Cobalt

• Calcium

• Carmine