Chemistry Quiz 1- 2/12
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Last updated over 3 years ago
10 questions
1
Name is the element in group 16 and period 2.
Name is the element in group 16 and period 2.
1
Name the element that is found in the fifth period and in the same group as Fluorine (F).
Name the element that is found in the fifth period and in the same group as Fluorine (F).
2
The Periodic Table is ordered of the basis of...
The Periodic Table is ordered of the basis of...
1
All members of Group 1 on the periodic table have similar reactivity because...
All members of Group 1 on the periodic table have similar reactivity because...
2
Atom X has 9 protons, 10 neutrons, and 9 electrons.
Atom Y has 9 protons, 9 neutrons, and 9 electrons.
Which of the following statements best describes how Atom X and Atom Y are related? Justify your answer.
Atom X has 9 protons, 10 neutrons, and 9 electrons.
Atom Y has 9 protons, 9 neutrons, and 9 electrons.
Which of the following statements best describes how Atom X and Atom Y are related? Justify your answer.
1
Mg +2 is a vital nutrient necessary to biological processes ad is found in every cell. Is Mg +2 and ion or an isotope?
Mg +2 is a vital nutrient necessary to biological processes ad is found in every cell. Is Mg +2 and ion or an isotope?
1
Explain your answer to number 6.
Explain your answer to number 6.
2
How many electrons are present in Mg +2? How do you know?
How many electrons are present in Mg +2? How do you know?
1
Which pair of elements has the same # of electrons?
Which pair of elements has the same # of electrons?
3
Which of the following combinations represents an element with a charge of +1 and a mass number of 75.
Which of the following combinations represents an element with a charge of +1 and a mass number of 75.