3 years ago

What do atoms when they share electron pairs

Chemistry

2 answers:

ra1l [238]3 years ago

3 0

Covalent bonds I think

m_a_m_a [10]3 years ago

3 0

The answer will be Covalent Bonding

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What elements are in table salt

Sedaia [141]

The formula is NaCi, containing equal amounts of sodium and chloride

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3 years ago

What occurs when a gas is changed into a liquid

ankoles [38]

for liquid to gas, Evaporation or vaporization.

for gas to liquid, condensation occurs. The opposite of evaporation. Condensation is when the gas gives up it's latent heat and simply condenses.

7 0

3 years ago

The highly reactive elements in group 7A are known for forming salts. What are they called? transition metals metalloids halogen

liberstina [14]

The group 7A elements are called Halogens.

Please mark as brainliest if this helped! :)

4 0

2 years ago

A sample of strontium bicarbonate weighs 5.0020 mg. How many oxygen atoms are in the sample? I have the answer, but don't unders

hodyreva [135]

There are 14.4 * 10^18 oxygen atoms in 5.0020 mg of strontium bicarbonate.

Mass of strontium bicarbonate Sr(HCO3)2 = 5.0020 mg

Molar mass of strontium bicarbonate Sr(HCO3)2 = 209.6537 g/mol

Number of moles of strontium bicarbonate Sr(HCO3)2 = 5.0020 * 10^-3g/209.6537 g/mol

= $2.3858 * 10^-5$ moles

Given that we have 6 oxygen atoms per molecule of Sr(HCO3)2, the total number of oxygen atoms in Sr(HCO3)2 becomes;

$2.3858 * 10^-5 moles * 6.02 * 10^23 = 14.4 * 10^18 oxygen atoms$

Learn more: brainly.com/question/9743981

5 0

2 years ago

2. Use the graph below to answer the following questions.

BlackZzzverrR [31]

Answer:

The graph represents an endothermic reaction.

The products have more energy than the reactants.

80kJ

160kJ

80kJ

160kJ

6 0

2 years ago