SGC-Chem Test 2 SP2
A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) - B) + C) 0
A) have neutrons in their nuclei. B) have an equal number of electrons and protons. C) have an equal number of neutrons and protons. D) have an equal number of charged and noncharged particles.
A) breaking a pencil B) cooking eggs C) digesting food D) burning wood
A) Alphabetical Order B) Atomic Number C) Atomic Mass D) Discovery Date
A) Valence Electrons B) Neutrons C) Protons and Neutrons D) Protons
A) shape B) color C) pH D) density
A) a total of eight protons and neutrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight neutrons and electrons.
A) protons. B) protons plus the number of neutrons. C) neutrons. D) protons plus the number of electrons.
A) They are extremely nonreactive. B) They form negative ions with a -1 charge. C) They are usually gases. D) They are located in the left-most column of the periodic table.
A) They form compounds with very bright colors. B) They are highly reactive with both metals and nonmetals. C) a basically nonreactive. D) They are extremely rare in nature.
A) are nonreactive B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are all metals
A) On the left-most side. B) In the middle column of the periodic table. C) In the bottom rows. D) On the right side.
A) color; smell B) number; mass C) mass;number D) location; ionization
A) 12 neutrons B) 8 neutrons C) 3 neutrons D) 6 neutrons
A) Alkaline Earth B) Alkaline Metals C) Halogens D) Noble Gases
A) Noble Gases B) Akali C) Halogens D) Alkaline Earth
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) 5 B) 3 C) 2 D) 4
A) nonmetals B) metalloids C) metals
A) Mendleev B) Mosely C) Ms. Watson D) Einstein
A) by date discovered B) according to atomic number C) According to atomic mass D) alphabetically
A) Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Number B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number-Atomic mass
A) protons B) electrons C) nucleus D) neutrons
A) color B) reactivity C) pH D) flammability
A) pH B) texture C) shape D) density
A) burning B) breaking C) adding dye D) crushing
A) breaking B) precipitate forming C) burning D) rusting
A) vary within the same element B) only can be seen in a few elements C) can only be observed by changing the substance D) can be observed with senses
A) can be observes with the senses B) only can be observed in a few elements C) cn only be observed by changing the substance D) vary within the same element
A) chemical B) physical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) liters B) kelvin C) second D) meters
A) kilograms B) grams C) meters D) hours
A) both accurate and precise B) nethier accurate or precise C) accurate D) precise
A) 100 B) 1,000 C) 1/1,000 D) 1/100
A) control B) dependent C) constant D) independent
A) length of study B) growth C) fertilizer D) strawberries
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) independent B) control C) constant D) dependent
A) tongs B) graduated cylinder C) beaker D) stirring rod
A) 13 B) 0 C) 16 D) 10
A) 35 B) 19 C) 17 D) 18
A) 12 B) 14 C) 10 D) 26
A) 10 B) 2 C) 8 D) 18
A) 57 amu B) 5.7 amu C) 115 amu D) 0.57 amu
A) 2 B) 4 C) 3 D) 1
A) 67.2 mol B) 0.5 mol C) 89.6 mol D) 2 mol
A) 1.72x1023 atoms B) 2.107x1024 atoms C) 21.07 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Rutherford B) Dalton C) Thomson D) Bohr
A) Rutherford B) Democritus C) Thomson D) Chadwick
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg 
A) Dalton B) Bohr C) Rutherford D) Thomson
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Chadwick C) Rutherford D) Dalton
A) Electrons are positively charged. B) Electron number never changes. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) positive charge B) negative charge C) larger mass D) smaller mass
A) neutrons B) protons C) positrons D) electrons
A) 1.33g/ml B) 0.33g/ml C) 3g/ml D) 72g/ml
A) 16g B) 0.094g C) 17.5g D) 10.7g |
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