A) atom B) comound C) electron D) solid
A) atomic number B) atomic mass C) covalent D) compound
A) 2 or more elements chemically bonded B) a pure substance on the periodic table C) a heterogeneous mixture D) a homogenous mixture
A) quark B) neutron C) electron D) proton
A) mixture B) atom C) compound D) element
A) compound B) homogeneous mixture C) element D) heterogeneous mixture
A) compound B) heterogeneous mixture C) element D) homogeneous mixture
A) ion B) molecule C) grain D) compound
A) mixture B) molecule C) compound D) element
A) neutron B) electron C) proton D) nucleus
A) nucleus B) proton C) electron D) neutron
A) nucleus B) electron C) neutron D) proton
A) solvent B) solute C) concentration D) solubility
A) solute B) solution C) compound D) heterogenous
A) solute B) solvent C) solubility D) concentration
A) viscosity B) buoyancy C) density D) plasticity
A) positive B) neutral C) negative
A) Carbon B) Hydrogen C) Aluminum D) Gold
A) cells B) carbon C) metal D) atoms
A) proton B) element C) neutron D) electron
A) Elements are made from mixtures of molecules. B) All elements are metallic. C) There are only five known elements. D) Each element contains only one kind of atom.
A) a compound B) an alloy C) an element D) matter with no mass
A) True B) False
A) False B) True
A) True B) False
A) negative B) positive C) neutral
A) negative B) neutral C) positive
A) an element B) a compound C) a mixture D) a proton
A) a mixture B) a compound C) an element D) a proton
A) an atom B) a compound C) an element D) a proton |