Connections Atomic Concepts and Electrons

What is the charge of the proton?

• +1

• -1

• 0

What is the mass of the neutron?

• 1 amu

• 1 gram

• 0 amu

• 0 gram

What is the location of the electron?

• inside the nucleus

• outside the nucleus

• narnia

• the matrix

What does the atomic number tell you?

• number of protons

• number of neutrons

• number of electrons and neutrons

• number of neutrons and protons

How do you find mass number?

• add protons and electrons

• add electrons and neutrons

• add protons and neutrons

• use a balance

Why are all atoms neutral?

• same number of electrons and neutrons

• same number of neutrons and protons

• same number of electrons and protons

• they live in switzerland

How does an atom become an ion?

• lose or gain electrons

• lose or gain protons

• lose or gain neutrons

What is an isotope

• same number of protons and electrons

• same number of protons and neutrons

• same number of protons and different number of electrons

• same number of protons and different number of neutrons

What are the similarities and differences between hydrogen-1 and hydrogen-2?

• Both have one proton but different number of neutrons

• Both have one proton but different number of electrons

• Both have one neutron but different number of protons

• Both have one neutron but different number of electrons

An ion has 12 protons, 12 neutrons and 10 electrons. What is the atomic number?

• 10

• 12

• 24

• 22