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Q2. Fill in the blank with correct words.
A: Chemical B: Horizontal C: Shells D: Columns E: Group VII

1) The vertical ___________are called groups and the_____________rows are
called periods.
2) Elements in the same groups have the same number of electrons in their
outer_______________ for example, all the elements in ___________ have 7
electrons on their outer shells.
3) Elements in the same group have similar ___________ and physical properties

Respuesta :

madhuyashnim

Answer:

Explanation:

1) The vertical Columns are called groups and the Horizontal rows are

called periods.

2) Elements in the same groups have the same number of electrons in their

outer Shells for example, all the elements in Group VII have 7

electrons on their outer shells.

3) Elements in the same group have similar Chemical and physical properties

angel617155

Explanation:

1) Columns

Horizontal

2)Shell

Group VII

3)Chemical

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