How many atoms are in 0.065 grams of Cadmium?

A) 3.72 atoms

B) 406 atoms

C) 1.21x10^-23 atoms

D) 3.48x10^20 atoms

What type of rock is pumice? Describe how a pumice rock is likely to change over a long period of time.

What state of matter is the body mostly made up of

What is the most likely electronegativity value for a metallic element? (1) 1.3 (2) 2.7 (3) 3.4 (4) 4.0

A ion that gains electrons is called what

Magnesium and iron are metallic elements. How does a mole of magnesium compare with a mole of iron? a) A mole of iron has more atoms. b) They both have the same mass. c) A mole of magnesium has more mass. d) They both have the same number of atoms.

The atomic number of nitrogen is 7. How many protons, neutrons, and electrons make up an atom of nitrogen

How many years can it take plastic bottle to break down?

After doing the flame test, what can you infer about the different coloured flames produced by different elements?

How many moles of oxygen react with 0.23 moles of NH3

What are valence electrons? how many of a magnesium atom's 12 electrons are valence electrons?