Chemistry help! True and false - Matter and Qualitative Analysis?

1 Elements have different chemical properties due to the different electron arrangements in their atoms.
True
False
2If an atom gains two electrons its charge will be +2.
True
False
3 Solutions containing electrons can conduct electricity.
True
False
4 Dalton proposed that atoms could not be created or destroyed.
True
False
5 Atoms in their ground state have excited electrons that emit light energy.
True
False
6 Oxygen has 8 protons, 10 neutrons and 8 electrons.
True
False
7 Ionic bonds form between metals and non-metals which have a high electronegativity difference.
True
False
8 Nitrogen has three unpaired electrons in its valence shell.
True
False
9 O=O is a nonpolar covalent bond.
True
False
10 Like dissolves like which means that nonpolar solutes will dissolve in polar solvents.
True
False
11 Double displacement reactions may result in the formation of a solid precipitate.
True
False
12 Almost all nitrate containing compounds are soluble.
True
False
13 Spectator ions are ions in double displacement reactions that do not form a precipitate.
True
False
14 The study of Chemistry will not help you to develop problem solving skills.
True
False
15 When naming an ionic compound, the metal is named first followed by the non-metal ending in "ide".
True
False

Thank you! In advance!