All categories

3 years ago

Based on Chromium's position on the periodic table, which statement describes the element

Chemistry

1 answer:

natali 33 [55]3 years ago

7 0

Answer:

C. chromium is a metal that is less reactive than sodium.

Explanation:

Hello.

Given the options:

A. chromium is a nonmetal and therefore a good conductor of heat and electricity .

B. chromium is a metal that is more reactive than potassium .

C. chromium is a metal that is less reactive than sodium .

D. chromium is a noble gas that is not reactive.

In this case, since chromium is in period 4 group VIB we infer it is a transition metal which slightly reacts with acids and poorly reacts with oxygen and other oxidizing substances. Thus, in comparison with both sodium and potassium which are highly reactive even with water as they get on fire, we can say that it is less reactive than both potassium and sodium, therefore, answer is: C. chromium is a metal that is less reactive than sodium.

Best regards.

You might be interested in

PLEASEEE HELPPP MEEE

andrezito [222]

Answer:

yes the one that is circled is correct

Explanation:

4 0

3 years ago

Read 2 more answers

How many grams of the parent isotope are left in the sample after three half lives?

pochemuha

After 3 half-lives, 125 grams of the parent isotope will remain.

5 0

2 years ago

When solutions of sodium sulfide and copper(ii) sulfate are mixed, a precipitate of copper(ii) sulfide is formed. what is the ne

ozzi

When solutions of sodium sulfide and copper(ii) sulfate are mixed, a precipitate of copper(ii) sulfide is formed. The net ionic equation for this reaction is Cu⁺² (aq) + S⁻² (aq) → CuS (s).

<h3>What is Balanced Chemical Equation ?</h3>

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

Now first write the balanced chemical equation

CuSO₄ (aq) + Na₂S (aq) → CuS(s) + Na₂SO₄ (aq)

Now write the net ionic equation

Cu⁺² (aq) + SO₄⁻² (aq) + 2Na⁺ (aq) + S⁻² (aq) → CuS (s) + 2Na⁺ + SO₄⁻² (aq)

So the net ionic equation is

Cu⁺² (aq) + S⁻² (aq) → CuS (s)

Thus from the above conclusion we can say that When solutions of sodium sulfide and copper(ii) sulfate are mixed, a precipitate of copper(ii) sulfide is formed. The net ionic equation for this reaction is Cu⁺² (aq) + S⁻² (aq) → CuS (s).

Learn more about the Balanced Chemical Equation here: brainly.com/question/26694427

#SPJ4

5 0

2 years ago

Choose all the answers that apply. Which of the following will decrease reaction rate? increase in pressure. decrease temperatur

zloy xaker [14]

Decrease temperature and decrease of concentration will decrease reaction rate, because less molecules will be able to react.

4 0

3 years ago

Read 2 more answers

When forming an ion, iodine will do which of the following?

Mariana [72]

Answer:

Explanation:

Iodine has a negative charge, so it will gain electrons.

4 0

2 years ago