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jekas [21]
4 years ago
10

What are properties or characteristics shared by Metalloids and Nonmetals?

Chemistry
1 answer:
Mekhanik [1.2K]4 years ago
3 0
Nonmetals have properties opposite those of the metals. The nonmetals are brittle, not malleable or ductile, poor conductors of both heat and electricity, and tend to gain electrons in chemical reactions. Some nonmetals are liquids. These elements are shown in the following figure.
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Help me guys please I need answer immediately​
Bad White [126]

Answer:

Royal jelly is a honey bee secretion that is used in the nutrition of larvae and adult queens.

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Group B:

Not sure) a- Keep in cold places because when there are changes in weather, it could help the silkworm come out faster.

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d-The larvae of a silk moth secrete the silk thread which is used to make clothes. Honey bees produce and store honey which is nutritious food. Silkworm is a creamy white colored insect which is about 2-3 cm long and shining in nature Bee larvae have been shown to be an excellent food source for rearing insects

Explanation:

3 0
3 years ago
Read 2 more answers
The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 6.33-g sam
daser333 [38]

Answer:

Explanation:

BrO3- (aq) + Sb^3+ (aq) --------> Br^3- (aq) + Sb^5+ (aq) is an unbalanced equation and needs to be balanced

BrO3- (aq) → Br^3- (aq

to balance it water must be added to the right side and H⁺ be added to the left side

BrO₃⁻ + 6 H⁺ + 8e⁻ → Br³⁻ + 3 H₂ O

Sb³⁺ (aq) → Sb⁵⁺ + 2e⁻

multiply the second equation by 4

BrO₃⁻ + 6 H⁺  + 8e⁻ → Br³⁻ + 3 H₂ O

4Sb³⁺ → 4Sb⁵⁺ + 8 e⁻

add the two equation together and cancel the 8 e electrons on both side

BrO₃⁻ + 4Sb³⁺ + 6 H⁺  → Br³⁻ +  4Sb⁵⁺ + 3 H₂ O

number of mole of BrO₃⁻  = volume in liters × molarity  = (29.9 / 1000) L × 0.120 M = 0.003588 moles

from the balanced equation of reaction;

one mole of BrO₃⁻  requires 4 moles of Sb³⁺

0.003588 moles of BrO₃⁻  will require = 0.003588 × 4 = 0.0144 moles of Sb³⁺

a) amount of antimony in grams in the sample =  0.0144 moles × 121.8 g ( molar mass of antimony) = 1.748 g

b ) percentage of antimony in the ore = 1.748 g / 6.33 g = 27.62 %

4 0
4 years ago
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kiruha [24]

Answer:

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Explanation:

6 0
3 years ago
Choose the number of significant figures indicated 0.06
Alex17521 [72]

Answer:

2

Explanation:

8 0
3 years ago
Specifically, what do we mean when we say that a scientific hypothesis must be testable?​
castortr0y [4]

Answer:

Explanation:

Specifically, what do we mean when we say that a scientific hypothesis must be testable? It must be able to be proven wrong. ... A scientific fact is something that observers can observe and agree to be true. A hypothesis is an educated guess that answers a question.

3 0
4 years ago
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