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