In each region of the periodic table, place the correct description of the elements near the label.
Drugi mogući odgovor:
Nonmetals
Alkali metals
metalloids
Noble gases
radioactive elements
Transition metals
akaline earth metals
In each region of the periodic table, place the correct description of the elements near the label.
Match the definitions with the vocabulary term.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
subscript | arrow_right_alt | Precipitate |
mixture | arrow_right_alt | smallest repeating group of atoms in a compound |
chemical formula | arrow_right_alt | describes the ratio of a particular element in the compound or molecule to the other elements |
physical property | arrow_right_alt | the number of formula units in a collection of atoms |
element | arrow_right_alt | a chemical symbol that describes the number of atoms of each element in a group of atoms |
Formula Unit | arrow_right_alt | elements that always are found as a group of two atoms |
Solid that appears in liquid during a chemical reaction | arrow_right_alt | elements that can be found as a single atom |
molecule | arrow_right_alt | how or whether a substance reacts with another substance |
monoatomic | arrow_right_alt | anything that you can measure to characterize a substance |
chemical property | arrow_right_alt | when more than one compound is present |
diatomic | arrow_right_alt | two or more elements in a specific ratio |
alloy | arrow_right_alt | one or more nonmetal elements in a specific ratio |
compound | arrow_right_alt | a group of atoms with the same chemical properties |
coefficient | arrow_right_alt | two or more metal atoms in a specific ratio |
Decide whether each picture represents an element, a compound and or a molecule. Be sure to use your periodic table to determine whether collections of atoms has metallic or nonmetal elements in it. There are pictures that can go in multiple categories.
Element
Compound
Molecule
Alloy
Match the diagram with the correct formula unit. The formula unit is sometimes known as the empirical formula since it reflects the ratios of the atoms of each element in the sample. Empirical in this case means something measured.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
| arrow_right_alt | CH₃O |
| arrow_right_alt | C₂H₅O₂ |
| arrow_right_alt | C₃H₅O₃ |
Match the diagram with the correct chemical formula for each group of atoms.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
| arrow_right_alt | 3Fe₂O₆H₃ |
| arrow_right_alt | 12Fe₃O₂H₃ |
| arrow_right_alt | 4Fe₃O₆H₂ |
| arrow_right_alt | 8Fe₂O₄H₃ |
