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wariber [46]
3 years ago
8

"What are genetic disorders, and how do they influence human growth and development​

Chemistry
1 answer:
Morgarella [4.7K]3 years ago
8 0

Answer:

Genetic disorders is an illness caused by abnormalities in genes or chromosomes.The cells of all mammals contain approximately the same amount of deoxyribonucleic acid (DNA).

Explanation:

Mammals are affected through an increase in the number of cells and not in their size.

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A stable atom that has a large nucleus most likely contains
maria [59]

Answer:

3. Equal numbers of  protons and neutrons

Explanation:

The nucleus becomes unstable if the ratio of protons to neutrons is less than 1:1 or more than 1:1.5.

The most stable nucleus has a neutron proton ratio of 1:1 which means that they can not release a neutron or a proton to decay.

Nucleus 3 is therefore the most stable.

8 0
3 years ago
What did Ernest Rutherford’s gold foil experiment demonstrate about atoms ?
Alchen [17]

Answer:

Their positive charge is located in the small nucleus

Explanation:

Ernest Rutherford performed the gold foil experiment in 1911 where he used alpha particles generated from a radioactive source to bombard a thin gold foil.

In his experiment, he observed that the bulk of the alpha particles passed through the gold foil, just a tiny fraction was deflected back. To explain his findings, Rutherford proposed that an atom is made of positively charged centre where nearly all the mass is concentrated called nucleus. Surrounding the nucleus is a large space containing electrons.

4 0
3 years ago
Read 2 more answers
The number of positive charges in the nucleus of an atom is equal to: its mass number its atomic number Avogadro's number its at
makkiz [27]

Answer:

its atomic number

Explanation:

the mass number/atomic mass is how many protons and neutrons are combined in an element. But, the atomic number is just protons.

6 0
3 years ago
An element X on reacting with oxygen forms an oxide X2O. this oxide dissolves in water and turns blue litmus red. a) Identify th
galben [10]

Answer:

The unknown element is Carbon.

(a) X is Carbon, its oxide is of acidic nature

(b) C+ O2 → CO2

Explanation:

We are given an unknown element that reacts with oxygen.

X + O2 → XO2

It is given that the oxide XO2 turns blue litmus red which is shown by acids, so XO2 is an acidic oxide. Also X will be a Non metal because Non metallic oxide is Acidic in nature.

The Oxide XO2 is dissolving is water. The oxide upon reacting with water will give an Acid.

XO2 type of oxide is found in the 14th group of the periodic table generally

So we have options like C, Si and Ge as these only have the Acidic oxide.

But when it comes to reactivity with water Only Carbon satisfies the need so the unknown element X is C.

CO2 + H2O → H2CO3 which is an acid.

(a) Element X is Carbon (C), The nature of the compound formed is Acidic.

(b) The reaction given will be as follows

     C+ O2 → CO2

Therefore the unknown element is Carbon.

4 0
3 years ago
Cells have a ______ ___________, a thin layer that controls what goes in and out of the cell.
Iteru [2.4K]

Answer:

cell membrane

Explanation:

3 0
2 years ago
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