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