Why does a fluorine ion have a charge of - 1

The diagram shows Niels Bohr's model of an atom. A small green circle labeled Proton is surrounded by 4 concentric circles.

Suppose you had 1.0 mol samples the following gases at STP. If the volume of each of the samples of gas was reduced to one tenth of its original size and the temperature remained the same, which gas would have the lowest pressure?

Which molecule will experience hydrogen bonding with like molecules

Will mark as Brainliest. Which of the following is an exothermic reaction? melting ice dissolving ammonium nitrate in water to cool the water dissolving sugar in water condensation

How did mendeleyev improve newlands method

Which type of chemical reaction occurs in 2KClO3 Right arrow. 2KCl + 3O2

An electrochemical cell is constructed using two half-cells: Al (s) in Al (NO2) 3 (aq) and Cu (s) in Cu (NO3) 2 (aq). The two half cells are connected by a KNO3 salt bridge and two copper wires from the electrodes to a voltmeter.

7. If you fill a balloon with 5.2 moles of gas and it creates a balloon with a volume of 23.5 liters, how many moles are in a balloon at the same temperature and pressure that has a volume of 14.9 liters

Which compound is formed from its elements by an exothermic reaction at 298 K and 101.3 kPa?

State one major difference between having a nitrogen atom in a ring structure and having an oxygen atom in that structure