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