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galina1969 [7]
3 years ago
14

WILL GIV, BRAINLISE IS URGENT PLZZZ

Chemistry
2 answers:
Assoli18 [71]3 years ago
7 0

Explanation:

1: fluorine to form lithium fluoride

2:bcos covalent bond exists btw two non metals

3: bcos it is d combination of two or more elements nd elements r substances

4: for sbustances we hv flame test nd splint test

ionic compounds are held by strong electrostatic forces of attraction

Simora [160]3 years ago
3 0

Answer:

Ionic compounds are held together by strong electrostatic forces of attraction.

The element Fluorine would likely bond with Lithium and form an ionic compound. Fluorine-2,7

Lithium-2,1

Fluorine the electron acceptor would accept the valence electron from Li to form an octe config, while Li, the electron donor would lose the outer valence electron to attain duplet state.

Metals are good conductors of electricity because they possess metallic properties. But, covalent compounds are exhibited by non metals and are held together by weak forces and so does not possess these metallic properties.

Mixtures.

To study some characteristics of mixture and to know how it's different from a compound.

Carry out this experiment.

you're required to get Iron fillings, Powdered yellow sulphur, mixture of iron fillings and powdered sulphur, iron (ii) sulphide and record your observations.

-hold a magnet just above the substance.

-add dilute hydrochloric acid to the substance.

-add carbon (iv) sulphide to the substance.

At the end, you'll discover constituents of mixtures retain their physical properties. They are not bound together chemically and are separable by physical methods.

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