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2 years ago

PLZ HELP ASAP

Chemistry

1 answer:

Sidana [21]2 years ago

3 0

Answer:

plant cells and animal cell have similaritys but also haev diffrences.

Explanation:

one example of a diffrence bettwen them is that plants have a cell wall but a animal doesnt even tho they are both living organizoums

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How many atoms of carbon are in the sample

Serhud [2]

There are six atoms in the carbon

6 0

3 years ago

Give the o.N. Of each of the elements magnesium and oxygen in the reactants and in the products 2Mg + O2=2MgO

vlada-n [284]

Answer:

$2Mg^0 + O_2^0\rightarrow2Mg^{2+}O^{2-}$

Explanation:

Hello there!

In this case, according to the rules for the oxidation states in chemical reactions, it is possible to realize that lone elements have 0 and since magnesium is in group 2A, it forms the cation Mg⁺² as it loses electrons and oxygen is in group 6A so it forms the anion O⁻²; therefore resulting oxidation numbers are:

$2Mg^0 + O_2^0\rightarrow2Mg^{2+}O^{2-}$

Best regards!

4 0

3 years ago

I WILL GIVE BRAINLIEST

Sergeeva-Olga [200]

Answer:

waste gas he should use algae

4 0

3 years ago

Which element would mostly have chemical properties similar to that of magnesium (Mg)?

DanielleElmas [232]

The elements of same group are placed in same group as they have similar properties. So Calcium is the element which resembles Mangesium.

Calcium and Magnesium both are alkaline earth metals.

They have similar properties as they have similar outer or valence shell electronic configuration

The general electronic configuration of alkaline earht metal is ns2

The electronic configuration of Mg [atomic number 12] and Ca [atomic number 20] are

$[Ne]3s^{2}$ and $[Ar]4s^{2}$ respectively.

7 0

3 years ago

I need help with this pls i don’t understand it

FromTheMoon [43]

Answer:

Inner core - A

Outer core - B

Mantle - C

Asthenosphere - F

Lithosphere - E

Crust - D

7 0

1 year ago