Jeopardy Review- Sem 1 Chem Scientific Method + Metrics Properties of Matter The AtomCompoundsThe Periodic Table Final Jeopardy
Sci Method + Metrics 100 A statement that can be tested is also called a _____? Hypothesis Back
Sci Method + Metrics 200 A statement made using your senses (sight, touch, taste, hearing, smell) is called an _____. Observation Back
Sci Method + Metrics 300 After eating lunch, a student has a mass of 73.6 kg. What is the student’s mass in grams? 73,600 g Back
Sci Method + Metrics 400 When playing darts, a person hits the three, the desired spot, 14 times in a row. Their throwing should be described as which of the following? a) Accurate b) Precise c) Both accurate and precise d) Neither accurate nor precise Both accurate and precise Back
Sci Method + Metrics 500 Calculate the %error of the electronic balance: Jimmy finds the mass of a 20g object on an electronic and manual balance. The manual balance measures the object’s mass as 24.23g and the electronic balance measures it as 22.23g x 100 = 11% error 20 Back
Properties of Matter 100 What are the three states of matter? Solid, liquid, gas Back
Properties of Matter 200 The properties that describe how a substance changes into a new substance through chemical reactions are called _______________ properties. chemical Back
Properties of Matter 300 DAILY DOUBLE!!! A measurement of the force of gravity on an object is termed what? weight Back
Properties of Matter 400 Define heterogeneous mixture and give an example. The mixture is different throughout; example: fruit salad Back
Properties of Matter 500 When a rock was placed in 52mL of water, the level rose to 67mL. If the density of the rock is 11g/mL, what is its mass ? D=m/v; m=d*v 11 * 15mL= 165g Back
The Atom 100 What subatomic particles are found in the nucleus? Protons and neutrons Back
The Atom 200 What are the outermost electrons called? Valence electrons Back
The Atom 300 Change the number of these and you get an ion. electrons Back
The Atom 400 Change the number of these and you get a new element. Protons! Back
The Atom 500 The amount of energy needed to remove the outermost electron from an atom. Ionization energy Back
Compounds 100 When two nonmetals share electrons, they form a _____ bond. covalent Back
Compounds 200 An ionic bond is formed when _____. A nonmetal takes electrons away from a metal Back
Compounds 300 Write the formula for ammonium sulfide. (NH 4 ) 2 S Back
Compounds 400 HNO 3 … is a(n) acid Back
Compounds 500 Write the name for H 2 CO 3 Carbonic acid Back
The Periodic Table 100 Who developed the modern periodic table? Mendeleev Back
The Periodic Table 200 Where are the alkaline earth metals? Where are the alkali metals? Alkaline earth- column 2 Alkali metals- column 1 Back
The Periodic Table 300 What happens to the atomic radius as you move down and to the left on the periodic table? It gets bigger as you move down and smaller as you go to the right. Bonus (+2!) why? Back
The Periodic Table 400 Where are the halogens? Column 7 Back
The Periodic Table 500 What happens to the reactivity of metals as you go down and to the left? What happens to the reactivity of metals and you go up and to the right? Reactivity increases for metals Reactivity increases for nonmetals Back
Final Jeopardy DIMENSIONAL ANALYSIS- MAKE YOUR WAGER How old am I in years? Convert that to minutes. 15,242,400 minutes! (29yrs x 365 days/yr x 24 hrs/day x 60 min/hr) Back