Answer:
Explanation:
1. Select all the statements about the nucleus of the atom that are correct:
Group of answer choices
B. It contains Protons
D. It has a Positive Charge
E. It contains Neutrons
2. An atom of an element with atomic number 50 and mass number 120 contains:
Group of answer choices
B. 50 protons, 50 electrons, and 70 neutrons
3. Which of these statements is false?
Group of answer choices
D. Electrons have the same mass as a proton but have the opposite charge.
B is gas
The chemical element krypton is classed as a noble gas and a nonmetal.
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It is a physical change because only the states as being changes, not the actual bonds in the compound.
Answer:
for anapproximate result , divide the pressure value by 7.501
I don’t know but I think it would be products... that’s the best I can give. I’ll look more into it
