How do you know if an element is an ion?

Will alka-seltzer fizz when added to apple juice?

What are three disadvantages of making and using plastic? A) It pollutes the land and water. B) It requires cutting down trees for raw materials. C) It takes an incredibly long time to break down. D) It freely conducts heat and electricity.

Fruit salad is an example of what? compound homogeneous mixture element heterogeneous mixture

For the following reaction, 22.0 mol of H2 reacts with an excess of O2. 2 H2 (g) + O2 (g) → 2 H2O (l)

Is potassium a metal metalloid or nonmetal?

4 HCI + O2 - > 2 H2O + 2 CH2 How many moles of H2O can be produced from 30. moles of HCI?

How many molecules of nitrogen gas are in 22.4 L? A. 6.022 * 10^22 B. 6.022 * 10^23 C. 6.022 * 10^24 D. 6.022 * 10^25

What is the pH of a 0.0025M HCI solution?

Moles of Zn (NO3) 2 in 131.50g of this substance.

Each degree on the Kelvin scale equals: 1°C 10°C no relationship (different scale) 100°C