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Which two subatomic particles are located within the nucleus of an atom? Question 1 options: protons and electrons protons and neutrons< electrons and neutrons
An atom has 2 protons in its nucleus. Which of the following must be true for this atom to have no net charge? Question 2 options: The atom also has 2 positively charged neutrons in the nucleus.< The atom has 2 negatively charged electrons outside the nucleus. The 2 positive protons have no influence on the overall charge of the atom. The atom has 2 negatively charged electrons in the nucleus.
Ernest Rutherford's gold-foil experiment showed which of the following? Question 3 options: the existence of subatomic particles within an atom< the existence of a dense, positively charged center in an atom the existence of electrons in an atom the existence of subatomic particles with no charge in the nucleus
How did Rutherford discredit Thomson's plum pudding model of an atom? Question 4 options: He conducted an oil drop experiment. He didn't discredit the plum pudding model of the atom, she proved it. He conducted an experiment using gold foil and alpha particles.< He conducted experiments with a cathode-ray tube.
Where is most of the mass of an atom? Question 5 options: inside the nucleus< distributed around the atom like the shell of an egg outside the nucleus distributed throughout the atom
An atom of lithium has 3 protons. How many electrons must be circling the atom if it has a net charge of 0? Question 6 options: 3< 6 1 2
@Photon336 @DarrenMadx @Cuanchi
Thanks you a ton
they look good to me
2 and 3 looks wrong to me. You want to try again or let me explain?
2nd is wrong because they clearly says that there's no net charge, so if u have 2 protons u should have 2 electrons because protons are positive and electrons are negative.
oh yes i agree i missed that 2 electrons are need to make it unccccccccharged
Yea what she said ^ and electrons are found outside the nucleus, while proton and neutrons are inside the nucleus.
For 3rd one it is the 2nd option
For the gold foil experiment, protons,, electrons, and neutrons are already known. They found out that in a center of an atom, there is a dense heavy spots that contains proton and neutrons called the nucleus.
his experiment showed that an atom had a dense positively charged centre.
ok so it was only 2 and 3
yes rutherford shot alpha particles through gold foil.
Yeah all the others are correct bubs !!!
can some one also give @Shalante a metal please:)
and thanks guys