Answer:1:1
Explanation:Based on the periodic table shown, elements from columns B and F will combine in a 1:1 ratio.
In the periodic table, the columns are called groups or families. Elements in the same group tend to have similar properties and behaviors. The elements in group B are called the transition metals, and the elements in group F are called the halogens.
When elements from group B and group F combine, they form a type of chemical bond called an ionic bond. In an ionic bond, one atom gives up electrons and becomes positively charged (a cation), while the other atom gains those electrons and becomes negatively charged (an anion).
In the case of the combination between group B (transition metals) and group F (halogens), the transition metal atom tends to lose electrons, forming a positively charged cation. The halogen atom tends to gain those electrons, forming a negatively charged anion.
For example, let's consider the combination between a transition metal like copper (Cu) from group B and a halogen like chlorine (Cl) from group F. Copper can lose 2 electrons to form a cation with a +2 charge (Cu2+), while chlorine can gain 1 electron to form an anion with a -1 charge (Cl-).
To achieve stability, the copper ion (Cu2+) and the chlorine ion (Cl-) attract each other and form an ionic bond. In this case, one copper ion can bond with two chlorine ions, resulting in the chemical formula CuCl2. This means that elements from columns B and F combine in a 1:2 ratio.
However, it's important to note that the specific ratio of elements from columns B and F will depend on the charges of the ions formed by the individual elements. Different transition metals can have different charges, and different halogens can have different charges as well. So, the ratio of elements will vary depending on the specific elements being combined.