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