A) solid B) electron C) atom D) comound
A) atomic mass B) covalent C) atomic number D) compound
A) a homogenous mixture B) a heterogeneous mixture C) a pure substance on the periodic table D) 2 or more elements chemically bonded
A) neutron B) proton C) quark D) electron
A) atom B) mixture C) compound D) element
A) homogeneous mixture B) compound C) heterogeneous mixture D) element
A) heterogeneous mixture B) element C) homogeneous mixture D) compound
A) ion B) molecule C) grain D) compound
A) molecule B) element C) compound D) mixture
A) neutron B) proton C) nucleus D) electron
A) electron B) neutron C) nucleus D) proton
A) neutron B) nucleus C) electron D) proton
A) solubility B) solute C) solvent D) concentration
A) compound B) solution C) solute D) heterogenous
A) solvent B) solute C) solubility D) concentration
A) density B) viscosity C) buoyancy D) plasticity
A) negative B) neutral C) positive
A) Carbon B) Gold C) Hydrogen D) Aluminum
A) carbon B) cells C) atoms D) metal
A) electron B) neutron C) proton D) element
A) All elements are metallic. B) Elements are made from mixtures of molecules. 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) False B) True
A) True B) False
A) False B) True
A) neutral B) positive C) negative
A) positive B) negative C) neutral
A) a proton B) a compound C) a mixture D) an element
A) an element B) a mixture C) a proton D) a compound
A) an element B) a compound C) an atom D) a proton |