Find an element that has the same number of valence electrons as
Thallium (T1).
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Which are causes of mechanical weathering? check all that apply. oacid raino plant growtho animal actionso carbon dioxideo pressure release

What diagram shows the ionic compound of magnesium oxide

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle