periodic properties

In the periodic table the elements are arrange in increasing........... number.

• mass

• nucleon

• atomic

• neutron

Group II elements are called ........... .

• alkali metals

• alkaline earth metals

• halogens

• noble gas

In periodic table: the column are called.........

• groups

• families

• both of these

• none of these

Group I and II elements are........elements.(Except hydrogen)

• electropositive

• s-block

• all of these

• none of these

Tags

NGSS.HS-PS1-1

He, Ne, Ar are.............. elements.

• noble gas

• group zero

• highest ionisation energy

• all of these

Group VII elements are called...........

• alkali metals

• alkaline earth metals

• halogen

• noble gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Transition elements are.......... elements.

• s- block

• p- block

• d- block

• f- block

In general: the ................decreases from left to right across a period.

• electronegativity

• ionisation energy

• electron affinity

• none of these

The most electronegative element is..............

• noble gas

• fluorine

• caesium

• helium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In Na and Na ⁺ has the same number of..............

• electrons

• protons

• both

• none

Tags

NGSS.HS-PS1-7