Science

Which subatomic particles significantly contribute to an atom's mass? I think a proton does, but I'm not totally sure.

  1. 👍 0
  2. 👎 0
  3. 👁 72
asked by Emily
  1. A proton does. A neutron does. An electron does not affect the mass of an atom significantly.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. CHECK answers science

    my answer has the **** 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom***** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d.

    asked by Anonymous on January 25, 2017
  2. Check my answers, Physical science

    my answer has the **** 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom***** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d.

    asked by Anonymous on January 24, 2017
  3. Science

    1. Which statement about subatomic particles is NOT true? (1 point) Protons and neutrons have almost the same mass. Protons and electrons have opposite charges. Unlike protons and electrons, neutrons have no charge. Protons and

    asked by Chelsea on October 10, 2008
  4. chemistry

    1. name the three fundamental particles present in an atom? mention the masses of the particles in M.K.S. system? 2.what is a proton? stste its relative mass and charge? 3.how many times a proton is heavier than an electron?

    asked by pooja on May 4, 2012
  5. physical science

    The exact question how are the following terms related - subatomic particels and atomic mass unit. The heading on the page is review and reinforcement structure of an atom - the three main subtomic particles are the proton, the

    asked by liz on November 4, 2007
  6. Physical science CHECK my answers

    1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom*** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron***** 3. Who

    asked by Anon on May 26, 2017
  7. Physical Science

    .In the early 1900s, two associates of New Zealander Ernest Rutherford bombarded thin sheets of gold with positively charged subatomic particles. They found that most of the particles passed right through the sheets but some

    asked by Dan on September 3, 2010
  8. grade 9 science chemistry

    List three subatomic particles that make up the atom. What charges does each particle have and where in the atom are they located?

    asked by peyton on December 29, 2010
  9. Science

    Unit 3 Test Multiple Choice Please select the correct response for the following questions. 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom c. Molecule d. Compound 2. Which of the subatomic

    asked by Becky on November 10, 2016
  10. chemistry

    Explain what subatomic particles mke up an atom and how are they arranged

    asked by ANGEL on October 15, 2007

More Similar Questions