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