A) molecule B) Element C) ion D) compound
A) proton, neutron, electron B) plasma, proton, neutron C) proton, plasma, molecule D) element, neutron,
A) proton B) neutron C) plasma D) electron
A) neutron B) electron C) proton D) element
A) negative B) none C) both D) positive
A) electron and proton B) proton and neutron C) proton and plasma D) neutron and electron
A) protons B) electrons C) neutrons and protons D) neutrons
A) according alphabetical order B) according to atomic number C) according to atomic mass D) according to number of ions
A) 12 B) 5 C) none D) 7
A) 9 B) 7 C) 10 D) 8
A) silver B) gold C) potassium D) copper
A) neutron B) molecule C) element D) electron
A) 17 B) 12 C) 15 D) 11
A) isomers B) compound C) isometric D) isotope
A) compound B) ion C) positive D) element |