What is the sum of protons and neutrons in an atomic nucleus?

A: Mass Number

B: Charge Number

C: Balance Number

D: Atomic Number

How many times do we fart a day

As you move from top to bottom down a group on the periodic table the size of an atone will

Which is an example of a molecule? A. Muscle Tissue B. Protien C. Stomach D. Unicellular organism

What are two traits of pseudoscience

What is the competition and what are the types of symbiosis?

A student states that non-metal atoms share their core electrons when they form covalent bonds. What is wrong with this statement? A. Atoms do not share electrons during covalent bonding. B.

Boron has an average mass of 10.81. One isotope of boron has a mass of 10.012938 and a relative abundance of 19.80 percent. The other isotope has a relative abundance of 80.20 percent. What is the mass of the two isotopes?

What type of radiation is most likely to damage DNA? A. ionizing B. non-ionizing

Water vapor cools and comes together to form a cloud. This is an example of what change in state? condensation evaporation melting

Which group of the periodic table does this element most likely belong to