How many electrons are in the highest occupied energy level of these atoms?

a. barium

b. sodium

c. aluminum

d. oxygen

B) What happens to the soup water when elisya blows it harder with the soap bubble blower

A roller coaster reaches its maximum kinetic energy when it?

An element has an atomic number of 92 and a mass number of 234. how many neutrons does the element have? 192 142 92

Identify some acids that are found in everyday materials. Lemon juice baking soda dish detergent vinegar hand soap

Which of the following systems has potential energy only? Select one: a car screeching to a halt an airplane flying above a stone falling off a cliff a bird sitting on a branch

When a cell is in late anaphase of mitosis, which of the following will we see?

What is the reactant (s) in the chemical equation below? 2Al (s) + 2NaOH (aq) + 2H2O () 2NaAlO2 (aq) + 3H2 (9) A. 2Al (s) + 2NaOH (aq) + 2H200) B. 2NaAlo2 (aq) + 3H2 (g) C. 2Al (s) D. 3H2 (g)

In an oil spill, why does the oil not mix with the sea water? A. Lipids are hydrophobic B. Lipids are hydrophilic. C. Lipids are saturated. D. Lipids are unsaturated.

What mass of KCL is contained in. 350 M solution of KCL?

Given the balanced equation: 3fe3 + (aq) + al (s) → 3fe2 + (aq) + al3 + (aq) what is the total number of moles of electrons lost by 2 moles of al (s) ?