Atomic structure protons neutrons electrons for a test
Understanding atomic structure: protons, neutrons, and electrons is key for mastering chemistry concepts.
Quiz(16 vragen)
1. What is the charge of a proton?
Termen in deze set(21)
What are protons?
Positively charged particles found in the nucleus of an atom.
Charge of a proton:
Positive charge of +1 elementary charge.
What are neutrons?
Neutral particles located in the nucleus alongside protons.
Charge of a neutron:
No charge, it is neutral.
What are electrons?
Negatively charged particles that orbit the nucleus.
Charge of an electron:
Negative charge of -1 elementary charge.
Difference between protons and electrons
Protons are positive, electrons are negative.
Fill in the blank: Atomic mass is mainly due to _____ and neutrons.
Protons.
Location of protons and neutrons:
Both are located in the nucleus.
True or false: Electrons have mass.
False, because their mass is negligible compared to protons and neutrons.
What is an atomic number?
The number of protons in an atom's nucleus, defining the element.
What is mass number?
The sum of protons and neutrons in an atom.
Difference between isotopes
Isotopes have the same number of protons but different numbers of neutrons.
True or false: Electrons determine the atomic mass.
False, because protons and neutrons primarily determine atomic mass.
What defines an element?
The number of protons in its atom.
Fill in the blank: An atom is mostly _____ space.
Empty.
Which particle is involved in chemical bonding?
Electrons.
Question: How many protons does carbon have?
Carbon has 6 protons.
What is a cation?
A positively charged ion formed by losing electrons.
What is an anion?
A negatively charged ion formed by gaining electrons.
True or false: Neutrons affect the charge of an atom.
False, because neutrons do not carry a charge.
Vragen in deze set(16)
1. What is the charge of a proton?
2. Which particle orbits the nucleus?
3. How is the atomic mass calculated?
4. Which of the following is NOT true about neutrons?
5. Isotopes have the same number of which particles?
6. What is the atomic number of oxygen?
7. Which particle has the least mass?
8. What happens when an atom loses an electron?
9. True or false: Electrons can exist in fixed orbits around the nucleus.
10. What defines the identity of an element?
11. Fill in the blank: Atoms are mostly _____ space.
12. Which particle contributes to chemical reactions?
13. What is a neutral atom?
14. What happens in a chemical bond?
15. How many neutrons does the isotope Carbon-14 have?
16. True or false: Protons and electrons have the same mass.
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