1.What subatomic particle determines the atomic number?
2. What subatomic particles determine the mass number?
3. How is the mass number computed?
4. How is the neutron number computed?
5 Is atomic number and mass number the same? Why?
6. What is the charge of an atom?
7. What does the negative or positive charge of ion mean?
8. When does an ion become positively charged: when an atom gains or
loses an electron?
9. When does an ion become negatively charged: when an atom gains or
loses an electron?
10. How is the charged of an atom or ion determined?
can somone help me, thanks :)))
2. What subatomic particles determine the mass number?
3. How is the mass number computed?
4. How is the neutron number computed?
5 Is atomic number and mass number the same? Why?
6. What is the charge of an atom?
7. What does the negative or positive charge of ion mean?
8. When does an ion become positively charged: when an atom gains or
loses an electron?
9. When does an ion become negatively charged: when an atom gains or
loses an electron?
10. How is the charged of an atom or ion determined?
can somone help me, thanks :)))
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Answer:
1. Proton
2. Proton and Neutron
3. Mass number = # of protons + # of neutrons
4. # of neutrons = Mass number - # of protons
5. They are not the same. Atomic # is equal to the number of protons in an atom, while mass # is equal to the sum of both the number of protons and the number of neutrons.
6. A proton holds a positive charge, while an electron holds a negative charge. The charge of an atom depends on these particles' charges that cancel each other out—if there are more protons than electrons then the atom has a positive charge. If there are more electrons, then the atom has a negative charge. If there are equal amounts, then the atom has a neutral charge. (can be solved through subtracting the # of protons with the # of electrons)
7. Since only electrons can be exchanged between atoms, a positively charged ion means that it has lost an electron (i.e. it has more protons than electrons), while a negatively charged ion means that it has gained an electron (i.e. the atom now has more electrons than protons).
8. An ion becomes positively charged when an atom loses an electron.
9. An ion becomes negatively charged when an atom gains an electron.
10. An ion can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom. (
Explanation:
1. The number of protons is always equal to the atomic number of an element. (the number of electrons does as well, but only when the element is in a truly neutral state).
2. The proton and neutron constitute most of an atom's mass.
3. same explanation as #2
4. (I assumed the question meant # of neutrons), derive the equation for # 3.
5-10 are already explanations/answers.
Answer:
1.proton
2.proton and neutron
sorry lang yan alarm ko