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AlladinOne [14]
3 years ago
14

Element that has two isotopes has an average atomic mass of 199.7. if 75.56% of the atoms of the element have an atomic mass of

197.4, what is the atomic mass of the other isotope?
Chemistry
1 answer:
Klio2033 [76]3 years ago
5 0
I just learned this myself and it was sort of confusing to me. Inbox me and I'll do my best to explain it.
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What is acidic and base​
Arisa [49]

Answer:

there are more hydrogen ions than hydroxide ions in the solution. This kind of solution is acidic. A base is a substance that accepts hydrogen ions.

Explanation:

An acid is a substance that donates hydrogen ions. ... Now there are more hydrogen ions than hydroxide ions in the solution. This kind of solution is acidic. A base is a substance that accepts hydrogen ions. When a base is dissolved in water, the balance between hydrogen ions and hydroxide ions shifts the opposite way.

8 0
3 years ago
Read 2 more answers
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Darina [25.2K]

Answer:

C

Explanation:

4× CH2 = C4H8

7 0
3 years ago
In the chemical formula, is the metal or nonmetal symbol written first?
Nikitich [7]
<span>Chemical formulas are written from the most metllic 
for example group Alkali Metals are the most metallic, so they will be written first.</span>
6 0
3 years ago
In which state of matter are the particles able to move around one another?
anyanavicka [17]
Particles in a:
gas are well separated with no regular arrangement.
liquid are close together with no regular arrangement.
solid are tightly packed, usually in a regular pattern.
Particles in a:
gas vibrate and move freely at high speeds.
liquid vibrate, move about, and slide past each other.
solid vibrate (jiggle) but generally do not move from place to place.
Liquids and solids are often referred to as condensed phases because the particles are very close together.
The following table summarizes properties of gases, liquids, and solids and identifies the microscopic behavior responsible for each property.
8 0
3 years ago
The table below shows the commonly eaten foods of some organisms.
Anuta_ua [19.1K]

Answer: A. vegetables, meat, chicken

B. insects, fruits, seeds

Explanation:

A primary consumer is the trophic level in the food chain, which feeds upon the plants and other autotrophs. It includes all the herbivorous animals.

A secondary consumer is the trophic level in the food chain, which feeds upon the herbivorous animals. They are carnivores.

A and B are the two correct options. A will feed upon both plant and animal products such as vegetables and meat, and chicken respectively.

Also B also consumes over the plant products such as fruits and seeds and insects.  

8 0
3 years ago
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