Question

Elements of each group in the periodic table have certain characteristic properties. Match each group to the correct property. Refer to the periodic table if you need help.
•alkali metals

•halogens

•noble gases
_____________________
▪︎solids at room temperature
{______}

▪︎don’t react naturally with other elements

{_______}
▪︎very reactive nonmetals
{_______}​

Answer 1

Answer:

Alkali Metals matches with solids at room temperature

Noble Gases matches with don't react naturally with other elements

Halogens matches with very reactive nonmetals

Answer 2

Alkali Metals match with solids at room temperature.

Noble Gases matches don't react naturally with other elements.

Halogens match with very reactive nonmetals.

Are alkali metals solid at room temperature?

1. Alkali metals are solid at room temperature (except hydrogen) but have a relatively low melting point: lithium melts at 181 ° C, sodium at 98 ° C, potassium at 63 ° C and rubidium at 39 °. At C, cesium melts at 28 ° C ° C.

2. There is almost no helium (He) on top of the noble gas, and its shell is filled with only two electrons. The fact that their outer shell is full means that they are very happy and do not have to react with other factors. In fact, they are rarely combined with other elements. This non-reactivity is the reason they are called inactive.

3. Halogen elements have seven valence electrons, so only one additional electron is needed to form a complete octet. This property makes it more reactive than other non-metal groups.

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