Test understanding. select the Correct Answer
If keep cutting the minuscule graphite into smaller and smaller particle, we will reach a point where we reach smallest constituent of graphite i.e.
- Silicon atom
- Copper atom
- Carbon atom
- Argon atom
Monoatomic molecules are
- Inert gases
- Sulphur
- Oxygen
- All of these
Which of the following is a soft metal?
- Sodium
- Copper
- Tin
- Nickel
Silicon, arsenic,antimony, and boron are some examples of
- Metals
- Non-metals
- Metalloids
- Compounds
The symbol of Mercury is
- Pb
- Me
- Hg
- Sb
The atomicity of sulphuric acid is
- 3
- 7
- 6
- 9
Which two of the following statements about expansion is true?
Condensation is when
- Solid changes to gas
- Gas changes to solid
- Gas changes to liquid
- Liquid changes to gas
The property of metals to be drawn into wires is called
- Malleability
- Ductility
- Lustrous
- Brittle
The scientist who suggested that the symbols of elements be made from one or two letters of the name of the element was
- Thomson
- Dalton
- Rutherford
- Berzelius