Which is the electron configuration for boron?

1s22s3

1s22s23s1

1s 2s22p2

1s22s22p?

The Old Man in the Mountain was a natural rock formation in a cliff in the White Mountain in New Hampshire that became a symbol for the state. On May 3, 2003, the symbol came crashing down.

A metal cylinder contains 1 mol of nitrogen gas at STP. What will happen to the pressure if another mole of gas is added to the cylinder but the temperature does not change?

What does "Здражейте, какво пражите?" mean?

Imagine you are on the top of a mountain with four basketballs. The mass of the four basketballs are 100 kilograms, 200 kilograms, 300 kilograms, and 400 kilograms.

What makes some objects feel colder than others at the same temperature

Explain two reasons why we can conclude that the rise of the water in the glass tube is due to root pressure and not transpiration or capillarity

Four type of molecular models

How many particles are in 1 mol of carbon? 1 mol of lithium? 1 mol of eggs? will 1 mol of each of these substances have the same mass?

An organic chemist plans for the synthesis of a complex organic molecule by

Which societal problem can be solved in part by scientist identifying areas of high biodiversity