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3 years ago

Properties of metals

Chemistry

1 answer:

Nitella [24]3 years ago

3 0

Answer:

Physical Properties of Metals :

Metals are lustrous, malleable, ductile, good conductors of heat and electricity. Other properties include: State: Metals are solids at room temperature with the exception of mercury, which is liquid at room temperature (Gallium is liquid on hot days).

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3 years ago

Which lists only metalloids?

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Answer:

boron (B), germanium (Ge), and tellurium (Te)

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Give all possible ml values for orbitals that have each of the following:<br> (a) l = 3;

Angelina_Jolie [31]

At l = 3, ml =+3,+2,+1,0,-1,-2,-3

What are quantum numbers?

Quantum numbers are used to describe where around a nucleus a particular electron can be found.
In any given atom, each electron can be described by four quantum numbers.
These are n,l,m1,ms
The values that each number can be are based on a set of rules.

What is a magnetic quantum number ?

It describes the orientation of the orbitals.
It is represented as ml.
The value of this quantum number ranges from (-l to +l).
When l = 2, the value of will be -2, -1, 0, +1, +2.

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2 years ago

An unknown rectangular substance measures 3.60cm high, 4.21cm long, and 1.17cm wide. If the mass is 21.3g what is this substance

tino4ka555 [31]

The rectangular substance measures 3.60cm high, 4.21cm long, and 1.17cm wide. If the mass is 21.3g substances density will be 1.20 centimeter cube.

<h3>What is density?</h3>

The density of any substance is the ratio of the mass of substance to the volume of the substance and the unit will be centimeter cube.

The volume of the substance will be 3.60cm high × 4.21cm long ×1.17cm wide = 17.7 milliliters.

density = mass of substance / volume of substance

Substituting the value in formula

Density = 21.3g / 17.7 milliliters.

Density = 1.20 centimeter cube.

Therefore, rectangular substance measures 3.60cm high, 4.21cm long, and 1.17cm wide. If the mass is 21.3g substances density will be 1.20 centimeter cube.

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2 years ago

Find density when mass is 4.0g and volume is 5.6L

hammer [34]

Answer:

5/7 g/L

Explanation:

Density is mass over volume.

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