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Svet_ta [14]
3 years ago
9

Please help.. match the letter with the statements below?!

Chemistry
2 answers:
FinnZ [79.3K]3 years ago
7 0
1 B
2 D
3 E
4 A
5 C

There
pashok25 [27]3 years ago
3 0
1. Experimental Variable, B
2. Controlled conditions, D
3. Experimental group, E
4. Controlled group, A
5. Data, C

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Which of the following atoms would be expected to be diamagnetic in the ground state?
Rufina [12.5K]

The atoms that would be expected to be diamagnetic in the ground state is  magnesium

The magnetism of an atom refers to its electronic configuration. A diamagnetic atom is an atom whose electrons are all paired.

A paired electron is an electron that occurs in pairs in its orbital shell.

At their respective ground state, the electronic configuration of the given elements are as follows:

The electronic configuration of magnesium is 1s²2s²2p⁶3s².  As such its a diamagnetic atom.

The electronic configuration of Potassium is 1s²2s²2p⁶3s²3p⁶4s¹. Hence, Potassium has one unpaired electron in its outermost shell.

The electronic configuration of Chlorine is 1s²2s²2p⁶3s²3p⁵. Hence, Chlorine has one unpaired electron in its outermost shell.

The electronic configuration of Cobalt is 1s²2s²2p⁶3s²3p⁶3d⁷4s². Hence, the unpaired electrons of Cobalt in its outermost shell are three.

Therefore, the atoms that are diamagnetic in the ground state is magnesium.

Learn more about diamagnetic atoms here:

brainly.com/question/18865305?referrer=searchResults

8 0
2 years ago
Is phosphorous dissolving in carbon disulfide a physical or chemical property? if physical, is it intensive or extensive?
Nana76 [90]

Answer:  Phosphorus is insoluble in water, but soluble in carbon disulfide. Phosphorus burns spontaneously in air to its pentoxide.

Explanation: Hope this helped! :)

3 0
3 years ago
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What characteristic is descriptive of a solution?
Snezhnost [94]
A solution is a mixture of two or more substances combined so that it is uniform, which means you cannot see the components. <span />
8 0
3 years ago
Which of the following is/are postulates of Dalton’s atomic theory? 1. Atoms combine in fixed ratios of whole numbers. 2. Atoms
motikmotik

Answer:

1 and 2

Explanation:

The postulates of Dalton's atomic theory are;

- Matter is made up of indivisible particles known as atoms.

- Atoms of same elements have same properties while atoms of different elements have different properties.

- Atoms of different elements combine in fixed ratios to form compounds.

- Atoms are neither created nor destroyed.

- The formation of new products (compounds) results from the rearrangement of existing atoms (reactants).

By comparing the postulates above and those in the questions, we find that only the following postulates are part of the daltons atomic theory;

1. Atoms combine in fixed ratios of whole numbers.

2. Atoms of each element have different properties.

8 0
2 years ago
SOMEBODY PLEASE HELPP I HAVE LIKE 10 TEST THAT I HAVE TO TAKE AND I WAS OUT SICK THOSE DAYS
snow_lady [41]

Answer: the 1st one is B, 2 is A, 3 is A, 4 is a or D for this one, 5 is c, 6 is b, 7 is b, 8 is d, 9 is a, 10 is b those are my best guess and if that did work I'm sorry I didn't help you and take care also have a great day.

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