Renxz1idn
Answered

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I. MULTIPLE CHOICE

Directions: Read and analyze the sentences carefully. Choose and write the letter of the correct answer in your answer sheet.

___1. What is atomic mass of an element with 40 protons, 40 electrons and 46 neutrons?

a. 6 b. 4 c. 3 d. 7

___2. Based on this illustration, what is the atomic number of this atomic?

a. 1 b. 4 c. 3 d. 7

___3. The atomic mass is equal to____________

a. The number of neutrons only
b. The total number of protons and neutrons
c. The number of protons only
d. The total number of protons, neutrons and electrons

___4. The number in the upper corner of an element tile ( 7 for nitrogen) is called_________

a. The mass number
b. The electron number
c. The proton number
d. The atomic number

___5. For an atom to be electrically neutral, it must contain the same number of________

a. Neutrons and electrons
b. Protons and neutrons
c. Protons and electrons
d. Neutron and atomic

___6. In the Bohr model of an atom, what is the maximum number of electrons in the first shell?

a. 1 b. 6 c. 2 d. 8

___7. How many protons does this element Calcium (Ca) has?

a. 40 b. 21 c. 20 d. 41

___8. If an atom has 24 protons and 24 electrons, what is the atomic number of this element?

a. 0 b. 42 c. 24 d. 48

___9. What gives an atom a mass?

a. Protons and electrons in the nucleus
b. Electrons in the clouds
c. Protons and neutrons in the nucleus
d. Electrons and neutrons in the nucleus

___10. How many neutrons does Sodium (Na) have?

a. 11 b. 12 c. 22 d. 23​

Sagot :

Clintlegaspi178idn

Answer:

[tex]\colorbox{black}{\boxed{\colorbox{red}{\color{black}{\rm{THE NOSENSE KING }}}}}[/tex]Mahal na kita sa paraan na ako lang ang nakakaalam

Mahal na kita, kaso nga lang hindi mo 'yon alam

Gusto kong iparamdam sa 'yo

All night, baby, hold tight, don't be scared

Baby, it's alright 'cause I'm in love with you

Explanation:

[tex] \blue{ \rule{1pt}{3000000pt}}[/tex]

Mariellefaburadaidn

Answer:

b

a

d

d

c

a

b

c

b

d

Explanation:

correct me if I'm rong

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