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