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prohojiy [21]
3 years ago
14

A geological process (2 points)

Chemistry
2 answers:
Likurg_2 [28]3 years ago
8 0
D...b...a...d...d...i hope this helped good luck
densk [106]3 years ago
4 0
They are all correct good job bud I hope it helps and good luck

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Are Zombies Living or Non-living Reasoning and Evidence?
Thepotemich [5.8K]

Answer:

I believe that zombies are not living

Explanation:

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Two glucose molecules can combine to form a disaccharide molecule and what molecule
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Calculate the amount of solute needed for 1000 ml of 15% sodium thiosulfate
maksim [4K]
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15 g --------------- 100 mL
?? ------------------ 1000 mL

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3 years ago
Selah is making a mobile of an atom of beryllium to hang from the ceiling in her science class. She uses a clear plastic bag for
mel-nik [20]

Answer:

See explanation

Explanation:

The question is incomplete because the images of the models are absent. However, i will try to give you a general description of what the correct answer should be.

Beryllium is a member of group 2 in the periodic table. Beryllium has an atomic number of 4. This implies that it has four protons in its nucleus and four electrons in its shells. In a neutral atom, the number of electrons on the shells is equal to the number of protons in the nucleus.

The electronic configuration of Beryllium is 1s2 2s2. This implies that it should have two shells each containing only two electrons each.

Since we are using white foam balls for protons and black foam balls for neutrons, the clear plastic will contain four white foam balls and five  black foam balls since the mass number of beryllium is 9 and number of neutrons = mass number - number of protons.

Four blue foam balls hanging from strings will represent the electrons around the nucleus.

Any model that corresponds to the description above is the correct answer.

7 0
2 years ago
What happens to the atomic radius of elements as you move from left to right across a period?​
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Explanation:

Moving from left to right across a period, the atomic radius decreases. The nucleus of the atom gains protons moving from left to right, increasing the positive charge of the nucleus and increasing the attractive force of the nucleus upon the electrons.

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