To achieve full valence electrons, what group of elements will atoms in the first group most likely bond with?(1 point)
Atoms in the first group (Group 1) will most likely bond with atoms in the seventh group (Group 17).
Using the Periodic Table, what mistake did George make in his table?
(1 point)
Responses
The claim that Cr has a +2 charge is incorrect, as elements in group 1 typically have a charge of +1 when they form ions.
The claim that Cr has a +2 charge is incorrect, as elements in group 1 typically have a charge of +1 when they form ions.
The statement about K having a +2 charge is incorrect, as elements in group 1 usually have a charge of +1 when they form ions.
The statement about K having a +2 charge is incorrect, as elements in group 1 usually have a charge of +1 when they form ions.
The claim that Se has a −2 charge is inaccurate, as elements in group 17 typically form ions with a charge of −1.
The claim that Se has a −2 charge is inaccurate, as elements in group 17 typically form ions with a charge of −1.
The statement about Br having a −1 charge is incorrect, as elements in group 1 typically have a charge of +1 when they form ions.
The statement about Br having a −1 charge is incorrect, as elements in group 1 typically have a charge of +1 when they form ions.
The claim that Cr has a +2 charge is incorrect, as elements in group 1 typically have a charge of +1 when they form ions.
What characteristic is true of a positively charged ion?(1 point)
A positively charged ion has fewer electrons than protons.
In chemical reactions metals tend to lose electrons easily. Which of the following statements are supported by the given information in the chart?(1 point)
Responses
On the periodic table the elements with the smaller amount of mass are most likely to be metals.
On the periodic table the elements with the smaller amount of mass are most likely to be metals.
On the periodic table the elements on the left hand side are metals.
On the periodic table the elements on the left hand side are metals.
On the periodic table the elements with the highest atomic numbers are least likely to be metals.
On the periodic table the elements with the highest atomic numbers are least likely to be metals.
On the periodic table the elements on the top are metals.
On the periodic table the elements on the top are metals.
On the periodic table, the elements on the left-hand side are metals.
Which of the following elements reacts most like Chlorine? Why?(1 point)
Responses
Sulfur because they can both gain 2 electrons to form an anion
Sulfur because they can both gain 2 electrons to form an anion
Fluorine because at room temperature they are both gasess
Fluorine because at room temperature they are both gasess
Fluorine because it too has 7 valence electrons
Fluorine because it too has 7 valence electrons
Sulfur because it is located in the same period as Chlorine
Fluorine because it too has 7 valence electrons.
To which chemical family is the unknown element Xx likely to belong, if the element had the following properties?
It reacts with oxygen to form XxO.
It possesses a silver metallic luster.
It has a low melting point.
(1 point)
Responses
Noble Gases
Noble Gases
Alkali Metals
Alkali Metals
Transition Metals
Transition Metals
Alkaline Earth Metals