How many moles of zinc are in 4.70 kg of zinc?

Identify the type of bond between atoms of H-O in water molecule (using EN Differences)

Suppose you increase your walking speed from 7 m/s to 12 m/s in a period of 2 s. What is your acceleration?

what information is important to include when you are describing the weather?

Some of the characteristics that make a good index fossil are: A. the organism lived over a wide area. B. They lived for long periods of time. C. They lived for fairly short periods of time. D. The organism was in abundance.

Select all the correct answers. Which of these statements are true about scientific theories and laws? Theories are untested. Laws are untested. Laws are often expressed as math formulas. A law is the same as a theory. Theories are not opinions.

Which of the following has the greatest first ionization engergy li, be, b or c

If we know that 10.0 cm3 of ice has a mass of 9.19 g what is the density of ice

1. The is the particle in the nucleus of the atom that carries a positive charge and is counted to identify the atomic number. What's the answer

How many grams are there in 5.00 moles of lead Pb?

A large body in space that orbits a star and does not produce light of its own