A material is ductile, conducts electricity, and is magnetic. The material is a _____. metal nonmetal metalloid impossible to tell

Answers

Answer 1

Answer: The answer is metal. Metals are substances generally considered to be good conductors of electricity. They are also considered to be ductile and malleable which means they can be bent or stretched into think wires without breaking. Lastly, some metals like iron, cobalt, and nickel are strongly magnetic.

Answer 2

Answer:

the answer your looking for is metal

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28 Which compound is an electrolyte?
(1) CCl4 (3) C6H12O 6
(2) CH3OH (4) Ca(OH)2

Answers

The answer is (4)Ca(OH)2. Electrolytes are substances that will ionize when dissolve in suitable ionizing solvents such as water. This includes such as salts, acids and bases. In the four choices, CCl4, C6H12O6 and CH3OH are nonpolar molecule.

A client is to receive 150 mL of intravenous solution over the next hour using a microdrip delivery system. How much fluid would the client receive in 1 minute?

Answers

Answer:

150ml .........60 minute

x ........... 1 minute

x = 150ml× 1 minute / 60 minute

x = 2.5ml

Explanation:

it is known that the client receives 150ml of the solution for over an hour.convert the hour into minutes,then we do not know how much liquid a client receives in a minute. we cross multiple the values to get the value in ml. for every one minute the client receives 2.5ml of the fluid.

What is locked up carbon dioxide

Answers

Basically it means carbon dioxide is removed from the atmosphere and is trapped in e.g. calcium carbonate (like shells), rocks, oceans etc.

Which mineral has the same hardness as a fingernail?a. Diamond
c. Fluorite
b. Topaz
d. Gypsum

Answers

Answer:

Gypsum

Explanation:

The hardness of minerals or substances is measured qualitatively using Mohs Scale. In this scale the hardness is measured qualitatively by characterizing the resistance shown by one substance when rubbed against second substance. Therefore, greater points are given to those substances which are capable of making scratches on other substances. The Mohs Scale of given compounds is as follow,

Diamond 10

Fluorite 4

Topaz 8

Gypsum 1.5 to 2

While the hardness value of Fingernail is 2 to 2.5. Hence, this value is close to Mohs scale hardness value of Gypsum therefore, gypsum is the correct answer.

Gypsum has the same hardness as a fingernail

Enter the appropriate symbol for an isotope of calcium-42 corresponding to the isotope notation AZX.Express your answer as a chemical symbol using isotope notation.

40
20Ca

Answers

Answer is ₂₀⁴²Ca.

In AZX notation
A - Represents the mass number of atom.
Mass number = number ofprotons + number of neutrons.
It is shown atthe above of the left side of theatom.
Here it is 42.

  Z - Represents the atomic number.
  Atomic number = number of protons.
  It is shown at the bottom line of the left side of the atom.
  Here it is 20.

X - Represents the symbol of the atom.
    Here X is Ca.

The symbol for an isotope of Calcium-42 corresponding to the isotope notation $\rm _A^ZX$ is $\rm _(20)^(42)Ca.$

Isotopes are atoms of the same element that have the same number of protons (atomic number) but different numbers of neutrons (mass number).

In case of Calcium-42,

The chemical symbol for calcium (X) is Ca.

The mass number (A) of the isotope is 42, which is the sum of the number of protons and neutrons in the nucleus of the atom.
The atomic number (Z) of calcium is 20, which is the number of protons in the nucleus of the atom.

Therefore, the chemical symbol for the isotope Calcium-42 is $\rm _(20)^(42)Ca.$

Learn more about isotopes here:

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In which type of chemical reaction do two or more reactants combine to form one product, only?(1) synthesis
(2) decomposition
(3) Single replacement(4) double replacement

Answers

In decomposition, two or more reactant combine to form one product only.

Answer:

A.) synthesis

Explanation:

edge 2021

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