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laila [671]
3 years ago
7

MARKING BRAINLIEST PLZ PLZ PLZ HELPPPP

Chemistry
1 answer:
ddd [48]3 years ago
8 0

Answer:

i think it A double covalent

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Law of Conservation of Mass in terms of atoms
VARVARA [1.3K]

No atoms are lost or made during the chemical reaction so the total mass of the products is equal to the total mass of the reactants. In an atom, protons and neutrons contribute to the mass and since the number of them doesn’t change, the mass doesn’t either.

4 0
3 years ago
Why does common table salt (NaCl) have a high melting point?
schepotkina [342]
The correct answer is c
8 0
3 years ago
Describe where a hydrogen bond can form among water molecules.
stiv31 [10]

Answer:

                 In water hydrogen bonding formed between partially negative oxygen and partially positive hydrogen atoms.

Explanation:

                  Hydrogen bond is a partially electrostatic attraction between hydrogen (H), which is bonded to a more electronegative atom such as nitrogen (N), oxygen (O) or fluorine (F), and another adjacent atom bearing a lone pair of electrons.

                   In water molecule hydrogen and oxygen have difference in electronegativity, due to which dipoles are form. One is partial positive on hydrogen atom and other is partial negative on oxygen atom. The electrostatic attraction occur between two oppositely charged poles which is known as hydrogen bonding.

4 0
3 years ago
Look at the picture below. Name the isotope
andrew11 [14]
It is potassium 39 definately
6 0
3 years ago
Remember what the equation is:
saw5 [17]

Answer:

1; 0.83moles

2; 0.83M

3; 1.66M

4; 0.415M

Explanation:

7 0
4 years ago
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