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