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_____1. What kind of chemical bond is formed when cation and anion are joined together?
A. Ionic
B. Polar
C. Metallic
D. Covalent
_______2. Why are the carbons atom able to form many organic compounds?
A. Carbons atoms have strong attraction to other elements.
B. Carbon atoms attracts electron from other atoms.
C. Carbon atoms can form many types of bonds with other carbon atoms.
D. Carbon atoms are abundant in the environment.
_______3. Negatively charged particles are moving around the nucleus of an atom. What are these particles found outside the nucleus?
A. Element
B. Compound
C. Electrons
D. Protons
______4. How many types of carbon atoms form?
A. 1
B. 3
C. 2
D. 4
______5. Ivan’s car stopped at the middle of the road and found at that his car ran out of fuel. Which compound must he buy?
A. Gasoline
B. Kerosene
C. Lubricating oil
D. Water
______6. Which of the following refers to the one mole of a substance?
A. Number of Particles
B. Number of mole
C. Molar mass
D. Atomic mass
______7. How many particles are equal to mole of substance?
A. 6.02 X 1024
B. 6.02 X 1023
C. 6.02 X 1022
D. 6.02 X 1025
______8. Which of the following representative particle of matter, represents a covalent bond?
A. Atom
B. Molecule
C. Ion
D. Particle
______9. What will happen to a non-metallic atom after ionic bonding?
A. It becomes anion
B. It becomes cation
C. It becomes molecule
D. It becomes an atom
_____10. Sean wants to protect his bike’s parts from rusting fast. Which of the following do you think will Sean use?
A. Vinegar
B. Isopropyl alcohol
C. Kerosene
D. Lubricating oil​

Sagot :

maeyahh1219

Answer:

1.Ionic bonds

Ionic bonds involve a cation and an anion. The bond is formed when an atom, typically a metal, loses an electron or electrons, and becomes a positive ion, or cation. Another atom, typically a non-metal, is able to acquire the electron(s) to become a negative ion, or anion.

2.Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms, and because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules. ...

3.Unlike protons and neutrons, which are located inside the nucleus at the center of the atom, electrons are found outside the nucleus. Because opposite electric charges attract each other, negative electrons are attracted to the positive nucleus.

4.Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds.

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