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