3 years ago

Which of the following represents a compound? A) H B) H-3 C)H2O D) O-16

2 answers:

7 0

The answer is C. H2

To be considered as a compound, it need to contain two on more elements.
From the option above, only H2O contains 2 elements, H is for Hydrogen and O is for oxygen. This compound formed a substance that we most commonly know as water.

adelina 88 [10]3 years ago

3 0

C, H2O represents the compound responsible for constituting water.

You might be interested in

Which event occurs during a high tide?

sammy [17]

Answer:All of Earth's ocean levels rise. The moon's orbit is closer to Earth

Explanation:

6 0

4 years ago

Read 2 more answers

A substance can change into a new kind of molecule when:

Artyom0805 [142]

Answer:

Chemical changes cause a substance to change into an entire substance with a new chemical formula. Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the results are called products.

Hope it helps

4 0

3 years ago

Determine the number of 3s electrons in Na .

Scorpion4ik [409]

Answer:

Explanation:The atomic number of sodium is 11. That is, the number of electrons in sodium is 11. Therefore, a sodium atom will have two electrons in the first shell, eight in the 2nd orbit, and an electron in the 3rd shell.

3 0

1 year ago

How can two objects of similar shape and size have different densities

Ipatiy [6.2K]

The mass and Volume is different even thought they have a similar shape and size

3 0

3 years ago

Explain why are all valence electrons are either in an s or p orbital.

ahrayia [7]

They are two representatives of the sublevels/energy levels.

4 0

3 years ago