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What arrangement on the Periodic Table have similar chemical properties?

Columns

What is the correct chemical name for KBr?

Potassium bromide

What is the charge of the Calcium ion in Ca3(PO4)2?

+2

What are the coefficients needed to balance the equation: NaBr + Cl2 -> NaCl + Br2?

2, 1, 2, 1

What is the value of Avogadro's number?

6.02 x 10^23

What is the standard volume for one mole of any gas at STP?

22.4 L

What is the approximate molar mass of CO2?

44 g/mol

What term is used to describe the potential energy or heat content of a system in chemistry?

Enthalpy

What is activation energy?

The minimum energy required to start a reaction

What ion do acids produce when they ionize in water?

H+

What is the primary difference between nuclear fission and nuclear fusion?

Fission involves splitting a nucleus, while fusion involves joining nuclei.

What is half-life in the context of radioactive decay?

The time it takes for half of a radioactive sample to decay.

What particle is typically used to initiate a nuclear fission reaction?

Neutron

Where does radon gas originate?

From soil containing Uranium.

What is ionizing radiation?

High-energy radiation capable of removing electrons from an atom.

Which of the following is a characteristic property of a base?

Ionizes to produce OH- ions in water.

What products are formed when an acid and a base react in a neutralization reaction?

Salt and water.

What is the approximate pH range for a strong acid?

0-2

What is the chemical formula for Sulfuric acid?

H2SO4