Which of the following elements has two (2) valence electrons?

A. Na

B. Mg

C. Al

D. S

The pauli exclusion principle states

What is the inner and most dense layer of the sun

The number of blank in the atom of an element determines its chemical properties

Water has unique properties which include its strength as a solvent; its three environmental stages of solid, liquid, and gas; and its temperature regulation. these properties are due to polar covalent bonds between oxygen and hydrogen.

Is rainbow a gay color?

What is part of an experiment that is not being tested and is used for comparison

Is hydrogen sulfide a heterogeneous mixture solution compound or element?

Explain why people who like to stay cool on a hot summer day prefer to wear white clothing?

Which of these is a chemical property? A. Mercury is a dense liquid. B. Iodine vapor has a purple color. C. Aluminum is a very conductive metal. D. Ice melts at 0°C. E. Iron rusts in wet weather.

Which of the following is not true about the importance of the carbon cycle to living things? a. Plants use carbon dioxide to make energy. b. Carbon is the second most abundant molecule in organisms. c.