An atom of gold (Au) has 79 electrons. How many protons must it have if it has a net charge of 0?

True or False, the central atom in a molecule is the one with the highest electron affinity.

O que é umidade absoluta?

What is H20 and oxygen

How is the volume of a gas related to its concentration of particles? As the volume of a contained gas expands, its pressure concentration of particles will increase.

How many Al atoms are present in 2.5 moles of Al2O3

Which formula id correctly paired with its name? A. MgSO↓ = magnesium chlorine B. FeO = iron (|||) oxide C. K↓2O = Phosphorus dioxide D. CuCI↓2 = copper (||) chloride

Which of the following correctly explains the role of enzymes in biochemical reactions? A) Enzymes provide energy in the form of ATP to lower the activation energy needed for the reaction.

How does being a landlord relate to chemistry in any way

Element m has an ellectronegativity of less than 1.2 and reacts with bromine to form the compound MBr2. Element M could be?

Which situation describes evidence of a chemical change? A. When food color is added to water, it changes color. B. A solid changes into liquid when heated. C. A solution feels warm after a cool solid is added to it. D.