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olya-2409 [2.1K]
3 years ago
5

PLEASE HELP ME FAST

Chemistry
1 answer:
Solnce55 [7]3 years ago
4 0

Answer:

2 will be correct

Explanation:

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Which of these 2A elements has the largest atomic radius?
olya-2409 [2.1K]

Answer: Option (E) is the correct answer.

Explanation:

When we move from top to bottom in a group then there occurs an increase in atomic size of the atoms due to increase in the number of electrons.

For example, in group 2A elements beryllium is the smallest in size whereas radium being at the bottom is the largest in size.

Also, atomic number of beryllium is 4 and atomic number of radium is 88.

Thus, we can conclude that out of the given options radium is the 2A element which has the largest atomic radius.

5 0
3 years ago
What is the correct formula for the compound formed between sodium and iodine based on their positions in the periodic table?
Naddika [18.5K]
Sodium (Na) has a +1 charge and Iodine ( I ) has a -1 charge. To create a molecule of sodium iodide the charges will need to balance.

Because the charges on anion and cation are the same; the molecular formula will be NaI
6 0
3 years ago
Decreasing the saturation of the fatty acid chains on a particular type of phospholipid would result in the formation of _____.
LUCKY_DIMON [66]

Answer:

The correct answer is "more fluid bilayers".

Explanation:

A fatty acid is a biomolecule of lipidic nature formed by a long hydrocarbon chain of different lengths at the end of which there is a carboxyl group.

The wall of the gallbladder consists of three main layers of tissue: The mucosa covers the wall of the gallbladder. The muscular layer of smooth muscle. The serosa, which is the outer layer.

By decreasing the saturation of the fatty acid chains in phospholipids, the bile layers would reduce their thickness and become more fluid.

Have a nice day!

3 0
3 years ago
_C4H6O3 + _H2O −−→ _C2H4O2<br><br> A) 1, 1, 2<br> B) 2, 1, 1<br> C) 2, 1, 2<br> D) 2, 2, 1
seraphim [82]

Explanation:

dredge to do with me to do with me to do with me to do with me to do with me to

8 0
3 years ago
V1t2 = v2t1 is an expression of
Lesechka [4]

Answer:

v1t1 = v2t2 is Charles law

5 0
3 years ago
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