WorksheetsCOT1_Let's Try
Total questions: 10
Worksheet time: 6mins
What is the relationship of proton number to the electron number given that the atom is neutral?
A. Doubled
B. Equal
C. Halved
D. Tripled
The mass of the atom is primarily concentrated in the nucleus. What subatomic particles are part of the nucleus?
A. Electrons and Protons
B. Neutrons and Electrons
C. Protons and Leptons
D. Protons and Neutrons
How many protons are present in U-235?
A. 92
B. 146
C. 235
D. 330
How many neutrons are present in Ni-59?
A. 28
B. 31
C. 59
D. 87
How many electrons are present in N-14?
A. 7
B. 10
C. 14
D. 21
6. Which subatomic particle gives the identity of the atom?
A. Electron
B. Neutron
C. Proton
D. None of the above.
Which of the following refers to an electron?
I. Inside the nucleus
II. Positively charged
III. Negatively charged
IV. Revolves around the nucleus.
A. I, II
B. I, IV
C. II, III
D. III, IV
Where is the location of the nucleus in an atom?
A. Around the atom
B. Beside the electron
C. Center of the atom
D. None of the above
9. Which information in the periodic table is used to determine the mass number?
A. Atomic Mass
B. Atomic Number
C. Electronic Configuration
D. Oxidation Number
What term refers to the elements having the same atomic number but different mass numbers?
A. Isobar
B. Isoelectronic
C. Isomer
D. Isotope
