Group 1 Flashcards

1
Q

name two properties of a group one element

A

-low melting points and boiling points
-very soft
- very reactive

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2
Q

why are groups one elements very reactive

A

the more readily a metal loses its outer electrons the more reactive it is

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3
Q

why do group 1 metals get more reactive as you go down the table

A

valence electrons are further away from the nucleus therefore electrons easily lost making the atom more reactive

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4
Q

what is the test for hydrogen gas

A
  1. put a lighted sprint near a beacon of unknown gas and if hydrogen gas is present a squeaky pop noise will be made
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5
Q

what are group 7 atoms known as

A

Halogens

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