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dsp73
2 years ago
9

Prediction for Scandium (II) and Cl

Chemistry
1 answer:
SCORPION-xisa [38]2 years ago
3 0

Answer:

(a) Eka-aluminum and gallium are two names of the same element as Eka-Aluminium has almost exactly the same properties as the actual properties of the gallium element. The properties: atomic mass, density, melting point, formula of chloride and formula of oxide are almost the same.

Explanation:

Scandium - Eka boron.

      (ii) Gallium - Eka aluminium.

      (iii) Germanium - Eka silicon.

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Yuri [45]

maybe c

Explanation:

I'm not sure but maybe

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2 years ago
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How does knowing the reactants and ______ help you classify a chemical reaction ?
zepelin [54]
The products. Without a balanced chemical equation, there is no reaction that can take place. The products is the final reation and the reactants help the final reaction take place. 
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2 years ago
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4. Which of the following statements accurately compares the wavelengths of the waves shown below?
wlad13 [49]

Answer:

B. wave 1 has a larger wavelength than wave 2

5 0
2 years ago
1.20×10−8s to nanoseconds
AveGali [126]

Answer:

There are 12 nanoseconds in 1.2\times 10^{-8}\ s.

Explanation:

We need to convert 1.2\times 10^{-8}\ s to nanoseconds.

We know that,

1\ s=10^9\ ns

Now using unitary method to solve it such that,

1.2\times 10^{-8}\ s=1.2\times 10^{-8}\ \times 10^9\\\\=1.2\times 10\\\\=12\ ns

So, there are 12 nanoseconds in 1.2\times 10^{-8}\ s.

7 0
2 years ago
What is the role of neutrons in an atom??
Colt1911 [192]
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