Basic Chemistry Crossword Puzzle
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QUESTIONS LIST:
- isotopes : each of two or more forms of the same element that has equal numbers of protons but different numbers of neutrons are called this.
- electrolyte : ionic compounds dissolve, individual ions are dissociated in solution. the solution is called this.
- ionic : also referred to as an electrovalent bond.
- acids : ionic compounds containing hydrogen ions (h+) are classified as these types of substances.
- atom : protons, neutrons and electrons make up the _
- molecule : a group of atoms bonded together is called this.
- electrons : these atomic components have a negative charge
- sodium : this element has an atomic number of 11.
- true : opposite charges tend to attract. true/false
- fluorine : this element is considered the most electronegative (3.98)
- valence : outermost electrons are also called these types of electrons.
- alkaline : if the ph of a substance is above 7, it is called a base or this?
- reactive : sodium alone is considered very _ .
- ammonia : nh3 is this element.
- second : carbon is located in this period in the table of elements.
- negative : an atom that receives an exytra electron has this type of charge.
- polar : a covalent bond between two atoms is considered this if the electronegativity difference between the atoms is 0.4 or greater.
- compound : this is a molecule made of atoms from different elements. not molecule.
- neutral : if a chemical structure has the same number of protons and electrons, it is considered this.
- cation : these are ions that have a net positive charge.
- positive : when an atom gives up an electron, it develops this type of charge.
- anion : opposite of a cation is this.
- base : the opposite of an acid is a _ .
- covalent : this is also called a molecular bond.
- period : hydrogen and helium are located in the same _ .