anonymous
  • anonymous
Can you guys quickly check my answers before i submit please:)
Chemistry
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Which two subatomic particles are located within the nucleus of an atom? Question 1 options: protons and electrons protons and neutrons< electrons and neutrons
anonymous
  • anonymous
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.
anonymous
  • anonymous
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

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anonymous
  • anonymous
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.
anonymous
  • anonymous
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
anonymous
  • anonymous
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
anonymous
  • anonymous
@Photon336 @DarrenMadx @Cuanchi
anonymous
  • anonymous
Thanks you a ton
welshfella
  • welshfella
they look good to me
anonymous
  • anonymous
2 and 3 looks wrong to me. You want to try again or let me explain?
anonymous
  • anonymous
Explain please:)\
Rushwr
  • Rushwr
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.
welshfella
  • welshfella
oh yes i agree i missed that 2 electrons are need to make it unccccccccharged
anonymous
  • anonymous
Yea what she said ^ and electrons are found outside the nucleus, while proton and neutrons are inside the nucleus.
Rushwr
  • Rushwr
For 3rd one it is the 2nd option
anonymous
  • anonymous
oh put the wrong < for two
1 Attachment
anonymous
  • anonymous
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.
Rushwr
  • Rushwr
his experiment showed that an atom had a dense positively charged centre.
anonymous
  • anonymous
ok so it was only 2 and 3
welshfella
  • welshfella
yes rutherford shot alpha particles through gold foil.
Rushwr
  • Rushwr
Yeah all the others are correct bubs !!!
anonymous
  • anonymous
can some one also give @Shalante a metal please:)
Rushwr
  • Rushwr
Done @PrincestonA
anonymous
  • anonymous
and thanks guys
Rushwr
  • Rushwr
Anytym :)

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