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Dvinal [7]
2 years ago
13

Which statement describes the general trends in electronegativity and metallic properties as the elements in Period 2 are consid

ered in order of increasing atomic number?
Chemistry
1 answer:
zysi [14]2 years ago
3 0

Answer:

Electronegativity increases and metallic

properties decrease.

Explanation:

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QUICK! Which best explains how the collisions of materials in space contribute to the formation of layers in protoplanets?
Pani-rosa [81]

Answer:

B. The collisions release heat, which results in the heating and subsequent melting, sinking, and rising of materials.

Explanation:

Got it correct on edge

5 0
2 years ago
Hydrocarbons containing only single bonds between the carbon atoms are called?
umka21 [38]

Answer:

Alkanes

Explanation:

Alkanes are hydrocarbons containing only single bonds between the parent chain carbons.

Alkenes are hydrocarbons containing at least one double bond between the parent chain carbons.

Alkynes are hydrocarbons containing at least one triple bond between the parent chain carbons.

7 0
1 year ago
30 POINTS
soldi70 [24.7K]

Answer:

Answer below.

Explanation:

An exothermic reaction is a chemical reaction that releases energy through light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy.

5 0
3 years ago
Fill in the Blank Question
creativ13 [48]

Answer:

Protons

Explanation:

It's the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

Hope this helped, can I also get brainliest plz?

7 0
2 years ago
Read 2 more answers
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
Nookie1986 [14]

Answer: 36.53g

Explanation:

First we need to find the amount of NaCl that dissolves in 1L of the solution that produced 5M of NaCl

Molarity = 5M

MM of NaCl = 58.45

Molarity = Mass conc (g/L) / MM

Mass conc. (g/L) of NaCl = Molarity x MM

= 5 x 58.45 = 292.25g

Next, we need to find the amount that will dissolve in 125mL(i.e 0.125L)

From the calculations above,

292.25g of NaCl dissolved in 1L

Therefore Xg of NaCl will dissolve in 0.125L of the solution i.e

Xg of NaCl = 292.25 x 0.125 = 36.53g.

Therefore 36.53g of NaCl will dissolve in 125mL of the solution

5 0
2 years ago
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