For elements 1-20, we can use the periodic table to predict.

A) An elements color

B) The number of valence electrons an element has

C) The number of isotopes an element has.

Why often lightning to coconut tree and don't lightning other high trees?

temperature is a measure of particles kinetic energy explain using words what happens to the kinetic energy as the temperature increases and how the motion of particles changes as a result

How many molecules are there in 2.30 grams of NH3?

Can you tell how much biodiversity is in a water sample by how murky the water is?

When the reaction xC + yO2 zCO is balanced, what should the coefficients be? (Hint: x, y, and z represent the coefficients.) A. x = 1, y = 1, z = 2 B. x = 2, y = 1, z = 2 C. x = 2, y = 1, z = 1 D. x = 4, y = 1, z = 1

Cuál es número primo más pequeño entre 3,1,2,4

The Earth's biosphere is consists of

49. Which of the following statements regarding chemical equilibrium is true? a. Equilibrium is shown with a single arrow and/or an equal sign. b. A system at equilibrium maintains the concentrations of all reactants/products over time. c.

According to the food web. which of the following would be considered secondary consumers? Plants Grasshoppers Wolves Mushrooms

Could the concentration of reactants ever be equal to the concentration of products for a reaction at equilibrium? Explain why or why not.