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Agata [3.3K]
2 years ago
11

The smallest part of a molecule is called

Chemistry
2 answers:
yarga [219]2 years ago
8 0

Answer:

D atom

Explanation:

The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms

lapo4ka [179]2 years ago
6 0

Answer:

an insulator is right answer

Explanation:

i hope it is helpful for you

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Which of these could create static electricity?
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c well actually I remember being tought this but I cant remember it 100

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What is the relationship between the number of each atom used to form compound and oxidation number?
deff fn [24]

Answer:Explanation:

In compounds, all other atoms are assigned an oxidation number so that the sum of the oxidation numbers on all the atoms in the species equals the charge on the species.

6 0
3 years ago
5. How do scientists analyze the TRAPPIST system? Write two key ideas. Work with a partner.
pentagon [3]

Answer:

They start with the planet furthest from us then go down the line of how many miles from us it is. Mars and Venus are the closests to us.

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5 0
3 years ago
5.00 moles of a binary, group 2 oxide are found to have a mass of 521 g. Identify the group 2 metal
andrey2020 [161]

5.00 moles of a binary, group 2 oxide are found to have a mass of 521 g. The group 2 metal is Strontium.

According to question 5 moles of binary group 2 metal oxide mass =521  g

So, 1-mole metal oxide mass will be =521 / 5=104.2 g

Now, as metal oxide is group 2 oxide so metal: oxygen =1: 1

So the mass of metal is =104.2-16=88.2 gm (as the atomic mass of oxygen is 16 g

Therefore, the metal is Strontium(Sr) whose atomic mass is 87.62 g which is nearly 88.2 gm

So, the formula of metal oxide is SrO

The group two metal here is Sr which is strontium and lies in the same group as calcium.

To learn more about group 2 metals, visit:

brainly.com/question/18328178

#SPJ9

4 0
2 years ago
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