WorksheetsSummary: Atomic Structure and Numbers
Total questions: 10
Worksheet time: 5mins
What is an atom made of?
Only electrons
Protons, neutrons, and electrons
Only protons and neutrons
Only nucleons
Which of the following is the correct equation for mass number (A)?
A = Z + N
A = Z - N
A = Z × N
A = Z / N
What are nucleons?
Only protons
Only neutrons
Protons and neutrons
Only electrons
Match the following hydrogen isotopes with their symbols:
¹₁H
1
²₁H
2
³₁H
3
An atom with 6 protons and 6 neutrons has a mass number of:
6
12
18
36
What is the term for an atom that has lost electrons?
Neutral atom
Positive ion (teigiamasis jonas)
Negative ion (neigiamasis jonas)
Match the following terms to their definitions:
Atom with equal number of protons and electrons
Neutral atom
Atom that has lost electrons
Positive ion
Atom that has gained extra electrons
Negative ion
According to the table, what is the composition of alpha (α) radiation?
2 protons and 2 neutrons
Electrons
Short electromagnetic waves
2 neutrons and 2 electrons
What is the charge of beta (β) radiation according to the table?
+2
-1
0
+1
Refer to the diagram showing the synthesis of atomic nuclei. Which particles are involved in the synthesis process shown?
A) Deuterium and Tritium
B) Helium and Neutron
C) Proton and Electron
D) Carbon and Oxygen
