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Kipish [7]
2 years ago
13

What is the common name of beryllium​

Chemistry
1 answer:
irga5000 [103]2 years ago
6 0
T, the lightest member of the alkaline-earth metals of Group 2 (IIa) of the periodic table, used in metallurgy as a hardening agent and in many outer space and nuclear applications.
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The table compares the number of electrons in two unknown neutral atoms.
Andrej [43]

Answer:

Both are highly reactive.

Explanation:

A has 1 valence electron D has 3

A is sodium D is aluminum

5 0
4 years ago
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In the formula for carbon tetrahydride, CH4, the percent composition of all elements is:
creativ13 [48]
C%=12/16*100=3/4*100=75%
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8 0
3 years ago
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A science student wants to use distillation to separate a mixture of two
statuscvo [17]

Answer:

Boiling point

Explanation:

Distillation is one of the most widely used separation technique in chemistry. It is used to separate a mixture of liquid substances with different boiling point. Hence, the basis of the separation is BOILING POINT DIFFERENCE.

In the procedure, the liquid substances are heated until they turn gaseous, which they do at different times considering their different boiling points. The separated components are then converted back to liquid states in a process called CONDENSATION.

6 0
4 years ago
What is the reduction half equation of Fe(s)+ 2 HC2H3O2(aq) → Fe(C2H3O2)2(aq) + H2(g)
Sonbull [250]

Answer:

2 H⁺ + 2e = H₂    ( reduction )

Explanation:

Fe( s ) + 2 CH₃COOH = Fe ( OOCCH₃ ) ₂ + H₂

Fe( s ) = Fe⁺² + 2e     ( oxidation )

2 H⁺ + 2e = H₂    ( reduction )

4 0
4 years ago
1. define speed
Harrizon [31]
1- thé everyday use of kinematic basically the speed for something it’s the magnitude.

2-the speed of something in a certain direction
2a- They are both related by speed.

3-the capacity of a vehicle which gains speed in a short time

4-it’s an attraction of all matter (not sure on this one)
5 0
3 years ago
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