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velikii [3]
4 years ago
14

Which scientist used the word "cell” for the first time in science?

Chemistry
1 answer:
Ludmilka [50]4 years ago
5 0

Answer:

C

Explanation:

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Atoms of one element easily changes to atoms of another element <br> a. True <br> b. False
Ganezh [65]
Hola!

→ Your query:
Atoms of one element easily changes to atoms of another element. Is it True? or False?

→ The answer is: TRUE

→ Reason :
We can change atom of one element to other atom by adding more particles into them. ex : Neutron, Protons and Electrons.

This is how nuclear fusion works. 

hope it helps!
6 0
3 years ago
Read 2 more answers
Which of the following types of radiation can penetrate the most deeply into your body?
ivolga24 [154]

Answer:

gamma rays

Explanation:

6 0
4 years ago
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A barcode can be printed on a product to help identify the product. A barcode usually consists of several alternating vertical b
aliya0001 [1]

Answer:

A

Explanation:

The barcode is being read by a laser that scans along the length of the sequence, reflecting more light from the white strips and less from the  black strips. Hope this helps!

4 0
3 years ago
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For each of the following compounds, state whether it is ionic or covalent, and if it is ionic, write the symbols for the ions i
kupik [55]

Answer :

Covalent compound : It is defined as the compound which is formed by the sharing of electrons between the atoms forming a compound.

The covalent compound are usually formed when two non-metals react.

Ionic compound : It is defined as the compound which is formed when electron gets transferred from one atom to another atom.

All the polyatomic ions always form an ionic compound.

Polyatomic ions : It is a charged species that composed of two or more atoms and these charged species are bonded by the covalent bond.

For the given options:

Option A:  KClO_4

This compound is formed by the combination of potassium, K^+ which is a metal and ClO_4^- ion which is a polyatomic ion. Thus, it will form an ionic compound.

Option B:  Mg(C_2H_3O_2)_2

This compound is formed by the combination of magnesium, Mg^{2+} which is a metal and C_2H_3O_2^{-} ion which is a polyatomic ion. Thus, it will form an ionic compound.

Option C:  H_2S

Hydrogen and sulfur, both are non-metals and they will form a covalent compound.

Option D:  Ag_2S

This compound is formed by the combination of silver, Ag^{+} which is a metal and sulfur, S^{2-} which is a non-metal. Thus, it will form an ionic compound.

Option E:  N_2Cl_4

Nitrogen and chlorine, both are non-metals and they will form a covalent compound.

Option F:  Co(NO_3)_2

This compound is formed by the combination of cobalt, Co^{2+} which is a metal and NO_3^{-} ion which is a polyatomic ion. Thus, it will form an ionic compound.

6 0
3 years ago
What kind of energy transformations occur when you hit a coconut with a hammer
hram777 [196]

Answer: I dont really know

Explanation:

3 0
4 years ago
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