Question

The combining capacity of noble gases is zero.
TRUE
FALSE
3.
The first alkali metal is
Sodium
Lithium
Hydrogen
Bromium
4.
Which one of the following elements exhibit maximum number of valence electrons?
Na
Al
Si
P
5.
The zero group elements are called as
inert gases
transition elements
metals
non metals
6.
The
is the average mass of the atoms of an element.
7.
The radioactive elements are grouped under lanthanides.
FALSE
TRUE
8.
The chemical symbol of Silver is derived from aurmenium.
FALSE
TRUE
9.
Elements in the Zero Group are called
10.
At the end of each period, the valence shell is
singly occupied
half filled
completely filled
incomplete

Answer 1

Answer:

your ANSWER MATE-

Explanation:

1.True

2. lithium

3.Na

4.inert gases

5.The average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by its natural abundance (the decimal associated with percent of atoms of that element that are of a given isotope). Average atomic mass

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Answer 2

Answer:

thank u so much more than one of the group