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zaharov [31]
3 years ago
13

Can anyone solve question no.5 plzzz

Chemistry
1 answer:
Wittaler [7]3 years ago
6 0
I believe
it would be Ag, Cu, Pb Zn and Mg. And also use this image to help you:)

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What has an atomic number of 1
LiRa [457]

Answer:

Hydrogen

Explanation:

3 0
2 years ago
Can someone pls help me I will mark you as brain
vladimir2022 [97]

Answer:

Both Options C and D are appropriate.

But I'd go with Option D since "Direct Air Capture" would eventually lead to "Ground Injection"

OPTION D.

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3 years ago
Some compounds are better known by their common names than by their systematic chemical names. Give the chemical formulas of the
kondaur [170]

Explanation:

(a) Dry ice is solid carbon dioxide and its chemical formula is solid CO_{2}.

(b) Sodium chloride is commonly known as salt in daily life. Hence, chemical formula of salt is NaCl.

(c) Laughing gas is also known as dinitrogen monoxide. Hence, its chemical formula is N_{2}O.

(d) Marble (chalk limestone) is chemically known as calcium carbonate. Hence, its chemical formula is CaCO_{3}.

(e) Baking soda is chemically known as sodium bicarbonate. Hence, its chemical formula is NaHCO_{3}.

(f) Ammonia has a chemical formula as NH_{3}.

(g) Water has a chemical formula as H_{2}O.

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(i) Epsom salt is most often found as heptahydrate of sulfate mineral epsomite. Its chemical formula is usually MgSO_{4}.7H_{2}O. If not present as a heptahydrate then its chemical formula is MgSO_{4}.(H_{2}O)_{x}where, value of x can be equal to 0 to 7.

5 0
3 years ago
When a metal and a nonmetal exchange electrons to make a cation and an anion, respectively, they can form an ionic compound. The
mario62 [17]

Answer:

Generally, we know that ionic compounds are formed by reaction of metals and non metals and non metals form a covalent  or non ionic bonds.

<u>IONIC COMPOUDS</u>

  • Iron and chlorine (FeCl2) , ( FeCl3)
  • Chlorine and Lithium (LiCl)
  • oxygen and calcium ( CaO)
  • Potassium and Sulphur ( K2S)

<u>NON IONIC COMPOUNDS</u>

  • Potassium and Calcium (covalent bond)
  • Sulphur and Bromine (covalent bond)

Explanation:

6 0
3 years ago
Which is not needed for a hurricane to form?
aliya0001 [1]

Answer:

strong cold front

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5 0
3 years ago
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