2 years ago

What does not represent a compound

1 answer:

5 0

Answer:

<h2>Every combination of atoms is a molecule. A compound is a molecule made of atoms from different elements. All compounds are molecules, but not all molecules are compounds. Hydrogen gas (H2) is a molecule, but not a compound because it is made of only one element.</h2>

Explanation:

You might be interested in

What is the amount in grams of EDTA needed to make 315.1 mL of a 0.05 M EDTA solution. The molar mass of EDTA is 374 g/mol

statuscvo [17]

Answer:

58.92 g EDTA

Explanation:

315.1 mL = .3151 L

M = Moles / Liter

.3151 L x <u>0.5 mol EDTA</u> x <u>374 g EDTA</u> = 58.92 g EDTA

1 L EDTA 1 mol EDTA

4 0

2 years ago

Which elements above will form cations? List them below.

cricket20 [7]

Answer:

Halogens always form anions, alkali metals and alkaline earth metals always form cations. Most other metals form cations (e.g. iron, silver, nickel), whilst most other nonmetals typically form anions (e.g. oxygen, carbon, sulfur).

Explanation:

Examples: Sodium (Na+), Iron (Fe2+), Ammonium (NH4

7 0

2 years ago

_____ were common ocean scavengers long ago, and they are frequently found in fossilized form.

quester [9]

Answer:

a. trilobites.

Explanation:

6 0

3 years ago

Nvm i got the answer

balandron [24]

Good luck with your assignment :)

4 0

2 years ago

What is the mass of KNO3 should be used to prepare 2.00 L of a 0.700 M solution?

Dmitry [639]

Answer:

141.4g

Explanation:

Moles= conc. ×vol

m/M = 0.7×2

m/101 = 0.7×2

m= 141.4g

3 0

3 years ago