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