Metallic Radius

Q.

The melting point of hydrogen is ______and boiling point is _____.

Q. Metalloids are best known for being ________.

1. Dense
2. Good conductors
3. Semiconductors
4. Insulators

Q.

The element that does not exist in the liquid state at room temperature is:

1. Na

2. Hg

3. Br

4. Ga

Q. Half of the distance between two atoms when they are bound together by a single bond in a covalent molecule is called "Metallic Radius”.

1. False
2. True

Q.

Half of the distance between two atoms when they are bound together by a single bond in a covalent molecule is called "Metallic Radius”.

1. True

2. False

Q.

Among sodium halides, the one having the highest melting point is

1. NaCl

2. NaF

3. NaBr

4. NaI

Q. Which of the following solid has maximum melting point?

1. Ice
2. Dry ice
3. SiO${}_2$
4. NaCl

Q. Out of the given compounds, the melting point is maximum for

1. $LiI$
2. $LiF$
3. $LiCl$
4. $LiBr$