A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of electrons and neutrons
A) 0 B) - C) +
A) have neutrons in their nuclei. B) have an equal number of neutrons and protons. C) have an equal number of electrons and protons. D) have an equal number of charged and noncharged particles.
A) breaking a pencil B) cooking eggs C) burning wood D) digesting food
A) Discovery Date B) Atomic Number C) Alphabetical Order D) Atomic Mass
A) Valence Electrons B) Protons and Neutrons C) Neutrons D) Protons
A) color B) pH C) shape D) density
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons plus the number of electrons. B) protons. C) protons plus the number of neutrons. D) neutrons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are extremely nonreactive. D) They are located in the left-most column of the periodic table.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) a basically nonreactive.
A) are all metals B) exist in all three states of matter in normal conditions C) are nonreactive D) have only 1 valence electron
A) In the middle column of the periodic table. B) In the bottom rows. C) On the left-most side. D) On the right side.
A) location; ionization B) number; mass C) color; smell D) mass;number
A) 12 neutrons B) 3 neutrons C) 6 neutrons D) 8 neutrons
A) Halogens B) Alkali Metals C) Noble Gases D) Alkaline Earth
A) Akali B) Halogens C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Halogens C) Noble Gases D) Alkali
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) 5 B) 2 C) 4 D) 3
A) metals B) metalloids C) nonmetals
A) Mendleev B) Einstein C) Ms. Watson D) Mosely
A) alphabetically B) According to atomic mass C) by date discovered D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number D) Atomic Number-Atomic mass
A) nucleus B) protons C) electrons D) neutrons
A) pH B) flammability C) reactivity D) color
A) breaking B) crushing C) burning D) adding dye
A) vary within the same element B) can only be observed by changing the substance C) can be observed with senses D) only can be seen in a few elements
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) chemical B) physical
A) physical B) chemical
A) not enough information B) it will sink C) it will float
A) grams B) kilograms C) meters D) hours
A) both accurate and precise B) precise C) nethier accurate or precise D) accurate
A) 1,000 B) 1/1,000 C) 100 D) 1/100
A) control B) dependent C) constant D) independent
A) strawberries B) length of study C) fertilizer D) growth
A) constant B) control C) independent D) dependent
A) graduated cylinder B) stirring rod C) beaker D) tongs
A) 10 B) 13 C) 0 D) 16
A) 19 B) 35 C) 17 D) 18
A) 26 B) 14 C) 12 D) 10
A) 18 B) 10 C) 8 D) 2
A) 5.7 amu B) 115 amu C) 0.57 amu D) 57 amu
A) 3 B) 1 C) 2 D) 4
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Thomson B) Chadwick C) Democritus D) Rutherford
A) Rutherford B) Thomson C) Shrodinger and Heisenburg D) Bohr
A) Dalton B) Bohr C) Rutherford D) Thomson
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) Chadwick B) Dalton C) Rutherford D) Bohr
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) larger mass C) positive charge D) smaller mass
A) electrons B) neutrons C) protons D) positrons
A) 3g/ml B) 1.33g/ml C) 72g/ml D) 0.33g/ml
A) 24g B) 10.7g C) 17.5g D) 0.094g |