A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) + B) - C) 0
A) have an equal number of charged and noncharged particles. B) have an equal number of electrons and protons. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) breaking a pencil B) burning wood C) digesting food D) cooking eggs
A) Atomic Number B) Atomic Mass C) Alphabetical Order D) Discovery Date
A) Valence Electrons B) Neutrons C) Protons and Neutrons D) Protons
A) pH B) density C) color D) shape
A) eight neutrons in its nucleus. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) neutrons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) protons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They are highly reactive with both metals and nonmetals. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) are nonreactive B) are all metals C) have only 1 valence electron D) exist in all three states of matter in normal conditions
A) On the left-most side. B) On the right side. C) In the bottom rows. D) In the middle column of the periodic table.
A) location; ionization B) number; mass C) mass;number D) color; smell
A) 12 neutrons B) 3 neutrons C) 6 neutrons D) 8 neutrons
A) Alkali Metals B) Alkaline Earth C) Noble Gases D) Halogens
A) Halogens B) Noble Gases C) Alkaline Earth D) Akali
A) Halogens B) Alkaline Earth C) Alkali D) Noble Gases
A) Alkaline Earth B) Halogens C) Noble Gases D) Alkali
A) 3 B) 4 C) 5 D) 2
A) metalloids B) nonmetals C) metals
A) Mendleev B) Ms. Watson C) Einstein D) Mosely
A) alphabetically B) according to atomic number C) by date discovered D) According to atomic mass
A) Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) electrons B) nucleus C) neutrons D) protons
A) pH B) flammability C) reactivity D) color
A) burning B) adding dye C) crushing D) breaking
A) only can be seen in a few elements B) can be observed with senses C) vary within the same element D) can only be observed by changing the substance
A) can be observes with the senses B) cn only be observed by changing the substance C) only can be observed in a few elements D) vary within the same element
A) chemical B) physical
A) chemical B) physical
A) not enough information B) it will float C) it will sink
A) meters B) grams C) hours D) kilograms
A) precise B) accurate C) both accurate and precise D) nethier accurate or precise
A) 1,000 B) 100 C) 1/1,000 D) 1/100
A) independent B) constant C) dependent D) control
A) growth B) length of study C) strawberries D) fertilizer
A) control B) independent C) dependent D) constant
A) stirring rod B) beaker C) graduated cylinder D) tongs
A) 13 B) 0 C) 10 D) 16
A) 17 B) 19 C) 18 D) 35
A) 26 B) 14 C) 12 D) 10
A) 8 B) 18 C) 2 D) 10
A) 115 amu B) 5.7 amu C) 57 amu D) 0.57 amu
A) 1 B) 2 C) 4 D) 3
A) Dalton B) Rutherford C) Bohr D) Thomson
A) Rutherford B) Thomson C) Chadwick D) Democritus
A) Shrodinger and Heisenburg B) Bohr C) Rutherford D) Thomson
A) Rutherford B) Thomson C) Dalton D) Bohr
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) Chadwick B) Rutherford C) Dalton D) Bohr
A) Electron number never changes. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) smaller mass B) negative charge C) larger mass D) positive charge
A) protons B) neutrons C) electrons D) positrons
A) 0.33g/ml B) 3g/ml C) 72g/ml D) 1.33g/ml
A) 17.5g B) 10.7g C) 24g D) 0.094g |