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