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