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