How does the atomic radius change going down and across the periodic table?

2 answers:

8 0

Atomic radius increases as you move down and across to the left of the periodic table towards Francium. Atomic radius decrease going up and across to the right of the periodic table towards Fluorine.

spin [16.1K]3 years ago

4 0

Answer:

In general, atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant.

Explanation:

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viktelen [127]

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3 years ago

Of the following which is not a bronsted acid 1 HF 2 HSO4- 3 F- 4 HNO3 5 H2CO3

mr_godi [17]

I think the answer is 1. HF

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3 years ago

An ____,or an element located in group 7A, will form a salt when reacted with a metal atom.

stiv31 [10]

Answer:

B. Halogen

Explanation:

Halogens are the family of chemical elements found in the group VIIA of the periodic table which means they possess seven (7) outer electrons. Some examples of halogens are Fluorine (F), Iodine (I), Bromine (Br), and Chlorine (Cl).

A halogen, or an element located in group 7A, will form a salt when reacted with a metal atom.

For example, when Chlorine reacts with Sodium it would form a salt known as Sodium Chloride.

Na + Cl ----> NaCl

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What gives the gem amethyst its purplish color?

Aleks [24]

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