A
A Proton
D. Electron and nucleus
D. None of these
D. None of these
a
Directions: Choose the correct answer Write your answers before each number
1. Which of the following is considered as a subatomio particle?
B. Electron
C. Neutron
D. All of the above
2. Which subatomic particle is/are placed inside the nucleus with a positive charge and no charge particle?
A. Proton and neutron B. Electron & neutron
C Proton and electron
3. This identifies the number of protons in the nucleus. It tells us the identity of an element
. It is unique in every element.
A Atomic mass
B. Atomic number
C. Both of these
4. What is the atomic number of 12 Mg 24? A. 24
B 12
C. 36
5. Based from number 4, what is the number of protons of element Mg? A. 24 B. 12 C.36
D. None of these
6. What is the element name of Mg? A. Magnesium B. Manganese C. Molybdenum D. Moscovium
7. How will you compute for the neutron number of an element?
A Add the atomic number from the atomic mass.
C. Multiply the atomic number from the atomic mass.
B. Divide the atomic number from the atomic mass.
D. Subtract the atomic number from the atomic mass
8. Which two subatomic particles are same with atomic number?
A. Proton and neutron B. Electron and proton
C. Neutron and electron D. Nucleus and neutron
9. How do we determine the positive charges (proton) of a particular element with the use of a periodic table?
Find the atomic mass of the element in the periodic table.
b. Find the atomic nucleus of the element in the periodic table.
Find the atomic number of the element in the periodic table.
d Find the neutron and electron of the element in the periodic table.
10. The central part of the atom where in the positive and no charges sub-atoms are located is known as the
A. proton
B. electron
C. neutron D. nucleus
11. What is the number of neutron of element Helium if its atomic number is 2 and its atomic mass is 4?
A Zero
B. One
C. Two
D. Four
12. The number of electrons of an atom is equal to its
A. atomic number B. proton
C. both of these D. none of these
13. It is the negatively charged particles of atom located in the orbit, outside the nucleus?
A proton
B. electron
C. neutron D. nucleus
14. How is proton number determined?
A. It is equal to the proton B. It is equal to the electron C. It is equal to the neutron D. It is equal to atomic mass
15. Which of the following statement is TRUE?
a There are 3 subatomic particles: the proton, neutron, and electron
b. Protons and neutron are located in nucleus while electrons on orbits
C. Proton has positive charge, electron has negative charge, and neutron has no charge.
d. All of the above
​