3 years ago

Element X reacts to form XO. It has the second smallest radius of its group. What is element X?

Chemistry

1 answer:

andriy [413]3 years ago

8 0

Answer:

Explanation:

Is the element of the first group and is the second smallest of its group. Even Magnesium is in the same situation, but if you compare the atomic radius of lithium and magnesium, the first one is smaller.

Barium definitely is incorrect because is the one that has the biggest radius of its group.

Beryllium is the first of its group so it can not fit the description.

You might be interested in

What is true of a solution of 1.0M HCL

Charra [1.4K]

Answer:

What is true of a solution of 1.0 M HCl(aq)? It contains 1.0 gram of HCl per 100 grams of water.

Explanation:

8 0

3 years ago

When an atom of lithium loses an electron, the atom becomes a

Radda [10]

An electron has a negative charge. When an atom loses an electron, it becomes a positive ion.
When an atom of lithium loses an electron and becomes an ion, it has one less electron shell, so its radius is smaller than the radius of the atom.
The answer is 3.

5 0

3 years ago

Read 2 more answers

Atoms of which element have the most valence electrons? A. Nitrogen (N) B. Sodium (Na) C. Oxygen (O) D. Calcium (Ca)

evablogger [386]

C.oxygen
It has 6 valence electrons

6 0

3 years ago

What is the position of an element in the periodic table if its electron configuration is 1sÆ 2sÆ 2pÒ 3sÆ 3p¢?

Maurinko [17]

Sodium I think I'm not sure

6 0