Atoms Notes Part 2

Multiple Choice

How many neutrons does hydrogen have?

• 0

• 1

• 2

• 3

Multiple Choice

How many protons does helium have?

• 1

• 2

• 3

• 4

Multiple Choice

How do you find the number of neutrons in an atom?

• subtract the mass from the number

• add the mass and the number

• use just the mass

• use just the atomic numer

Multiple Choice

What are protons?

• negatively charged particles located outside the nucleus

• neutral particles located inside the nucleus

• positively charged particles located inside the nucleus

Multiple Choice

What are electrons?

• negatively charged particles located outside the nucleus

• neutral particles located inside the nucleus

• positively charged particles located inside the nucleus

Multiple Choice

What are neutrons?

• negatively charged particles located outside the nucleus

• neutral particles located inside the nucleus

• positively charged particles located inside the nucleus

Multiple Choice

What must be equal to the number of protons to keep an atom neutral?

• protons

• electrons

• neutrons

Multiple Choice

What is the charge of an atoms nucleus?

• positive

• negaitve

• neutral

• no charge

Multiple Choice

What is letter stand for in an element square?

• atomic number

• atomic symbol

• atomic mass

• atomic atomic

Multiple Choice

What does the atomic number tell us?

• the number of protons and electrons in an atom

• the number of protons and neutrons in an atom

• the number of electrons in an atom

• the number of neutrons in an atom

Multiple Choice

If I subtract the atomic number from the atomic mass what does that number tell me?

• the number of protons

• the number of electrons

• the number of neutrons

• the number of isotopes that an atom has

Multiple Choice

Which part of the atom has the least mass?

• neutrons

• protons

• electrons

• nucleus