Element x is a solid that is brittle, lacks luster, and has six valence electrons. In which group of the periodic table would element x be found

1) 1

2) 2

3) 15

4) 16

Use trigonometric identities to solve tan (2theta) + tan (theta) = 0 exactly for 0 Basically u r finding all possible answers for the question

The characteristic reaction for unsaturated hydrocarbons is substitution. True or False

At higher temperatures, A) reaction rates increase because reactants move faster, collide more often, and produce more collisions with the required energy of activation.

Define pseudoscience?

You need to prepare 150 mL of 0.1 M solution of silver chloride. How much silver chloride is required?

3/4 / 100 as a decimal and a percentage?

What is the net ionic equation for AgNO3 (aq) + Na2SO4 (aq)

What does it take to prove a hypothesis false? O A. It is impossible to prove a hypothesis false O B. At least ten examples O C. One counterexample O D. A poorly stated question

We dissolve 5g of sugar, C12H22O11, in water to make 1L solution. What is the concentration of this solution expressed as molarity.

Explain how the molar mass of a gas affects the rate at which the gas diffuses and effuses