How many moles of silicon, Si, are in 1.45 * 1024 Si atoms?

Will bromine react with sodium

A pure substance that cannot be broken into simpler substances by physical or chemical means

Equilibrium is reached in chemical reactions when: A) The rates of the forward and reverse reactions become equal. B) The concentrations of reactants and products become equal. C) The temperature shows a sharp rise. D) All chemical reactions stop.

Which best explains the observed trend in atomic radii going down the periodic table?

What does emit mean in chemistry

Why are lab apparatus made of ceramics

The volume of oxygen required for complete combustionof a mixture of 5 cm3 of ch4 and5 cm3 c2h4

What part of the digestive system removes most of the water from food? Question 4 options: Small intestine Stomach Large intestine Esophagus Save

In which type of chemical bonding are electrons shared among all atoms in the substance?

As pressure decreases, density: A. decreases B. increases C. remains the same