Chemical Families Patterns In Properties Questions and Answers

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1 answer

Write an equation to show the effect of heat on:

asked Aug 30, 2021 in Chemistry Form 1 by anony mous

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2 answers

The table below shows some properties of substances D, F and E. Study it and answer the questions that follow.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

The table below gives the energy required to remove the outermost electron for some group I elements.

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

The grid below is part of the periodic table. Use it answer the questions that follow. (The letters are not the actual symbols of the elements).

asked Aug 30, 2021 in Chemistry Form 2 by anony mous

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1 answer

The grid below shows part of the table. The letter is not the actual chemical symbols of the elements. Study it and use it to answer the question that follows.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

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1 answer

Nitrogen gas is used as an inert atmosphere in electric lamps. Explain in terms of structure and bonding why nitrogen gas is so stable .

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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2 answers

Draw the structure of a sulphur molecule.

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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1 answer

Define the term transition temperature concerning the allotropes of sulphur.

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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1 answer

The equation below shows the action of heat on three metal nitrates.

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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2 answers

Graphite is a non metal, yet it conduct an electric current .explain this observation.

asked Aug 18, 2021 in Chemistry by anony mous

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1 answer

Explain the following observations

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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1 answer

Element J belong to period 3 and group V.

asked Aug 18, 2021 in Chemistry Form 1 by anony mous

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1 answer

The table below shows the atomic numbers of elements F G and H.

asked Aug 18, 2021 in Chemistry Form 2 by anony mous

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1 answer

Study the information below and answer the questions that follow. The letters do not represent the actual symbols of the elements.

asked Aug 17, 2021 in Chemistry Form 2 by anonymous

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1 answer

Define the following term: Isotope

asked Aug 5, 2021 in Chemistry Form 2 by anonymous

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1 answer

Study the information in the table below and answer the questions that follow: The letters do not represent the actual symbol of the element).

asked Aug 4, 2021 in Chemistry Form 1 by anony mous

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1 answer

Explain why aluminum is a better conductor of electricity than Sodium

asked Aug 4, 2021 in Chemistry Form 2 by anony mous

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1 answer

Give 2 reasons why helium is used in weathers baloons

asked Aug 4, 2021 in Chemistry Form 2 by anony mous

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2 answers

Briefly explain the following observations.

asked Jul 28, 2021 in Chemistry Form 2 by anony mous

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1 answer

Rubidium (Rb) is a member of the alkali metals. Predict how the element reacts with:

asked Jul 28, 2021 in Chemistry Form 2 by anony mous

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