Valency, Atomic Size, Metallic and Non-metallic Properties

Assessment

Valency, Atomic Size, Metallic and Non-metallic Properties

ninja coder

Chemistry

Grade10

10 Plays

100 Participants

Worksheet

10 Qs

1.
Multiple Choice
1 pts•30 s
Valency of an element is determined by the number of:
Answer choices
Protons in the nucleus
Electrons in the outermost shell
Neutrons in the nucleus
Energy levels
2.
Multiple Choice
1 pts•30 s
As we move down a group in the periodic table, the atomic size:
Answer choices
Decreases
Increases
Remains the same
First increases then decreases
3.
Multiple Choice
1 pts•30 s
Across a period from left to right, metallic character of elements:
Answer choices
Increases
Decreases
Remains unchanged
First increases then decreases
4.
Multiple Choice
1 pts•30 s
Atomic size decreases across a period due to:
Answer choices
Decrease in number of shells
Increase in nuclear charge
Decrease in number of protons
Presence of isotopes
5.
Multiple Choice
1 pts•30 s
Metals tend to lose electrons because they have:
Answer choices
High ionization energy
Small atomic size
Low electronegativity
High nuclear charge
6.
Multiple Choice
1 pts•30 s
Non-metals usually gain electrons to form anions because they have:
Answer choices
Low electronegativity
Low atomic number
High electronegativity
Low electron affinity
7.
Multiple Choice
1 pts•30 s
Elements in the same group have the same:
Answer choices
Atomic number
Valency
Atomic mass
Electron affinity
8.
Multiple Choice
1 pts•30 s
Metallic character increases in a group because:
Answer choices
Atomic size decreases
Ionization energy increases
Valence electrons are held more loosely
Nuclear charge increases
9.
Multiple Choice
1 pts•30 s
As atomic size increases, the ability to lose electrons:
Answer choices
Decreases
Increases
Remains unchanged
Becomes unpredictable
10.
Multiple Choice
1 pts•30 s
Non-metallic character increases across a period due to:
Answer choices
Decrease in nuclear charge
Increase in atomic size
Increase in electronegativity
More number of shells