Look at the location of elements A, B, C, and D in the following periodic table:
(a) Write the formula of the simplest binary hydride of each element.

Verified step by step guidance

Identify the group number of each element A, B, C, and D in the periodic table.

Recall that elements in the same group form similar types of binary hydrides with hydrogen.

For each element, determine the typical valency or oxidation state when it forms a hydride.

Write the chemical formula for the binary hydride by combining the element with hydrogen, ensuring the compound is neutral.

Check the periodic trends and common hydride formulas for elements in the same group to verify your answers.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Binary Hydrides

Binary hydrides are compounds formed between hydrogen and another element, typically a nonmetal or a metalloid. The simplest binary hydride is represented by the formula 'EH', where 'E' is the element that combines with hydrogen. The properties and formulas of these hydrides depend on the electronegativity and the group of the element in the periodic table.

Periodic Table Trends

The periodic table organizes elements based on their atomic number and properties, revealing trends in reactivity, electronegativity, and atomic size. Elements in the same group often exhibit similar chemical behaviors, which can help predict the type of hydride they will form with hydrogen. Understanding these trends is crucial for determining the simplest binary hydrides of elements A, B, C, and D.

Valence Electrons

Valence electrons are the outermost electrons of an atom and play a key role in chemical bonding. The number of valence electrons determines how an element interacts with hydrogen to form hydrides. For example, elements with one or two valence electrons typically form ionic hydrides, while those with more valence electrons may form covalent hydrides, influencing the formula of the simplest binary hydride.