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netineya [11]
2 years ago
14

Which of the following is in the same group as strontium? a Calcium b Chlorine c Xenon d Silver

Chemistry
2 answers:
klasskru [66]2 years ago
6 0

Answer:

Calcium and strontium are in the same group.

Group 2a of the perodic table are the alkaline earth metals

matrenka [14]2 years ago
4 0

Answer:

a. Calcium

Explanation:

Strontium and Calcium are both in the same group, Group 2.

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What is the major defining property of gasses?.
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Answer:

Gases have no definite shape or volume. They are fluid, allowing particles/molecules to move freely.

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Explanation:

These are some of the properties I can think of

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2 years ago
(01.07 LC)
Rasek [7]

The most accurate measurement is 1.1 g. Option A

<h3>What is accuracy?</h3>

The term accuracy refers to the fact that the measurement is close to the true value. The closer the measurement is to the true value as given, the more accurate it is.

In this case, the true value of the mass of the  sample of calcium carbonate is 1.134 g. Now we have to look at all the masses of as obtained by Emma during the experiment.

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2 years ago
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately. what is w
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7 0
3 years ago
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Write the formula and calculate the molecular mass of
Reika [66]

The molecular formula is the sum of the atomic masses of all atoms in the molecule.

The formula of Soda Ash:

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The molecular mass of Soda Ash is

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The formula of Baking Soda:

NaHCO₃ is also known as Sodium bicarbonate.

The molecular mass of Baking Soda is

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The formula of Lime Stone:

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The formula of Ethanol:

C₂H₅OH is the formula of ethanol.

The molecular mass of Ethanol:

(2×C)+(6×H)+(1×O)=46g/mol

The formula of Common Salt:

NaCl is also known as Sodium chloride.

The molecular mass of Common Salt:

(1×Na)+(1×Cl)=58.5g/mol

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7 0
2 years ago
Hi :) , if the density of an object is the same as water , will the object float or sink?
Klio2033 [76]

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