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tensa zangetsu [6.8K]
3 years ago
12

Another element is silvery-white with a shiny luster, is very brittle, and forms ions with a −2 charge. give one possible identi

ty of this element. enter the symbol for the element.
Physics
2 answers:
Lesechka [4]3 years ago
7 0
The element is magnesium ( Mg )
chubhunter [2.5K]3 years ago
5 0

Answer:

It is Telurium

Explanation:

This element since belong to the family VI A in the periodic table, the charge -2 is the most common of these elements. Also, its color is silver - white, because is a metalloid has luster (a property of metals) and is very brittle ( a property of non-metals). Its symbol is Te.

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What can you tell from comparing these waves? Please help
elena-s [515]

Answer:

Explanation:

A

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3 years ago
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A 5.5kg radio is pushed across the table. If the acceleration is 5m/s to the right, find the net force exerted on the radio.
Sholpan [36]

Answer:

Net force exerted on the radio is 27.5 Newton.

Given:

Mass = 5.5 kg

Acceleration = 5 \frac{m}{s^{2} }

To find:

Force exerted on the radio = ?

Formula used:

F = ma

Where F = net force

m = mass

a = acceleration

Solution:

According to Newton's second law of motion,

F = ma

Where F = net force

m = mass

a = acceleration

F = 5.5 × 5

F = 27.5 Newton

Hence, Net force exerted on the radio is 27.5 Newton.


4 0
4 years ago
In odd nuclei, what determines the final spin of the nucleus?
Katen [24]

Answer:

In odd nuclei, the left out proton or neutron will contribute to the spin of the nucleus.

Explanation:

The meaning of odd nuclei is atomic mass is odd.

A=odd number.

A=Z+n

Here, Z is proton either it will odd or n will odd which is neutron.

Now according to the shell model the left out proton or neutron will contribute to the spin and parity.

For example,

Take the case of isotope of nitrogen-15.

Here Z is 7, and n is 8 will not contribute in spin.

Now, for Z=7.

1S^{2} _{\frac{1}{2} }, 1P^{4} _{\frac{3}{2} }, 1P^{1} _{\frac{1}{2} }

Here,

j=\frac{1}{2}

and, L=1.

Fort parity,

(-1)^{L}

Put the value of L.

Parity will be -1.

Now, spin will be

S=(\frac{1}{2} )^{-1}.

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3 years ago
Wooden handles on knives do not require maintenance.<br> TRUE<br> FALSE
Olenka [21]

Answer: false

Explanation:

You have to make sure it doesn’t stay wet

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3 years ago
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Alisiya [41]

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Explanation:

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