Scientific Vocabulary
Metric Measaurment
Matter & Atoms
Periodic Table
Chemical Equations
100
Define isotope
What is an atom with additional or missing neutrons.
100
The metric base unit that is used to measure length, volume and mass.
What is meters for length, liters for volume and grams for mass.
100
Name the components of an atom and their respective charge.
What is proton (+), electron (-) and neutron (neutral).
100
Name the elements that have the following atomic #: 20, 47, and 88.
What is 20= Calcium 47= Silver 88= Radium
100
Describe the law of conservation of mass.
What is the amount of matter on the reactant side is equal to the amount of matter on the product side in a chemical equation.
200
Define density and give the density of water.
What is the amount of matter in a given space and 1 g/cm3.
200
The scientific tools you would used to measure length, volume and mass.
What is metric ruler for length, graduated cylinder for volume and triple-beam balance for mass.
200
Name the four states of matter and how atoms interact in each of them.
What is Solid- Atoms are packed tightly and only vibrate, but can't move. Liquid- Atoms are closely arranged and can slide past each other. Gas- Atoms are spread out moving all around and can collide with one another. Plasma- Charged atoms are moving all around colliding with one another.
200
Describe where metals, nonmetals and metalloids are found on the periodic table.
What is metals = left, center and bottom nonmetals= Far right metalloids =in the middle of groups 13-17, along the staircase
200
Describe the information given by a chemical equation.
What is the elements present, the number of atoms present for each molecule, the state of matter and reactants with their products.
300
Compare and contrast chemical and physical properties.
What is Chemical- forms a new substance (Temperature change, color change, precipitate, odor, etc.) Physical- change is state, reversible (freezing, boiling, evaporating, condensing, sublimating)
300
Convert the following: 1. 546 kilometers to ______________ cm 2. 1051 milliliters to _______________ deciliters 3. 0.092 grams to ________________ kg
What is 1. 54,000,000 cm 2. 10.51 dl 3. 0.000092 kg
300
If a Potassium atom donated an electron to Florine, what is the overall charge of Potassium?
What is a positive charge.
300
Find the number of protons, neutrons, and electrons for the element Potassium.
What is 19 protons, 19 electrons and 20 neutrons.
300
Name the type of chemical equation seen below: H2S + O2 → SO2 + H2O
What is single replacement.
400
Compare and contrast ionic, polar covalent and nonpolar covalent bonds.
What is ionic bonds- donate/ gain electrons, between metals and nonmetals polar covalent- share electrons unequally (occurs mostly between nonmetals) nonpolar covalent- share electrons equally (occurs mostly between nonmetals)
400
If four liquids were placed in a graduated cylinder (corn syrup- 1.38 g/ml, rubbing alcohol- 0.79 g/ml, water- 1 g/ml, and salt water- 1.25 g/ml ), describe what would happen. - Be specific.
What is the substances would separate by density with the highest density on the bottom and the lowest at the top (Bottom to top: corn syrup, salt water, water, and rubbing alcohol)
400
Give three examples of quarks and three examples of leptons.
What is Quarks: Up, down, strange, charm, top & bottom Leptons: electrons, muon, tau particles and nutrinos
400
List the group names for group # 1, 2, 17 and 18.
What is 1=Alkali metals, 2=Alkaline metals, 17=Halogens & 18= Noble gases.
400
Balance the chemical equation Al2O --> Al + O2
What is 2Al2O --> 4Al + O2
500
Define matter. Give an example of something with matter and give an example of something without matter.
What is anything that has mass and takes up space. Matter example - Answers will vary (almost anything!) Non matter- A vacuum or sunlight
500
Find the density of a block with dimensions of 10 cm by 12 cm by 24 cm. The block also has a mass of 54 grams.
What is 0.019 g/cm3
500
Give an example of an element, compound, homogeneous mixture and a heterogeneous mixture.
What is answers may vary.
500
Draw a Bohr model and dot diagram for the element Chlorine.
What is a Bohr model with 3 shells (1=2 electrons, 2=8 electrons, 3=7 electrons) and Cl with 7 dots.
500
Balance the chemical equation below: H2S + O2 → SO2 + H2O
What is 2H2S + 3O2 → 2SO2 + 2H2O.
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