Answer:
These are Magnesium bromide is MgBr2. “ionic compounds.” When atoms join together, they form either molecules or ionic compounds, depending on whether they are joined by covalent bonds or ionic bonds. ... When atoms join together by ionic bonds, they form “ionic compounds”.
Explanation:
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Stoichiometry measures these quantitative relationships, and is used to determine the amount of products/reactants that are produced/needed in a given reaction.
Answer:
The nucleus has an overall positive charge as it contains the protons. Every atom has no overall charge (neutral). This is because they contain equal numbers of positive protons and negative electrons. These opposite charges cancel each other out making the atom neutral.
Explanation:
Silver is not a compound. It's a mixture
Answer:
graduated cylinder
Explanation:
It shows exact volume very precisely.
